US2070834A - Suction nozzle - Google Patents

Suction nozzle Download PDF

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Publication number
US2070834A
US2070834A US17381A US1738135A US2070834A US 2070834 A US2070834 A US 2070834A US 17381 A US17381 A US 17381A US 1738135 A US1738135 A US 1738135A US 2070834 A US2070834 A US 2070834A
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US
United States
Prior art keywords
agitator
diaphragm
passage
opening
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US17381A
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English (en)
Inventor
Karlstrom Fredrik Johan Robert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electrolux Corp
Original Assignee
Electrolux Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electrolux Corp filed Critical Electrolux Corp
Priority to US17381A priority Critical patent/US2070834A/en
Priority to FR809903D priority patent/FR809903A/fr
Priority to DEA79140D priority patent/DE655872C/de
Priority to GB11251/36A priority patent/GB462870A/en
Application granted granted Critical
Publication of US2070834A publication Critical patent/US2070834A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0483—Reciprocating or oscillating tools, e.g. vibrators, agitators, beaters

Definitions

  • My invention relates to vacuum cleaners and I8.
  • the outer edge of diaphragm I. may be more particularly to an improved suction nozzle formed with a bead l9 which not only adds for use in connection with vacuum cleaning apstrength to the diaphragm but provides a b mp r paratus.
  • my invention extending around the nozzle so that, if the latrelates to a nozzle including an agitator operable ter is accidentally brought into contact with furniture, no damage will result.
  • Parts 18 and I4 One of the objects of my invention is to promay be secured together by a plurality of screws vide a nozzle of this type wherein the agitator 20 which extend through holes formed in the member is secured to a flexible diaphragm which diaphragm adjacent the edge thereof. The more by air flow through the nomle.
  • a further object of my invention is to provide with downwardly extending walls 23 which bound is a nozzle of this type wherein the agitator meman opening 23:: and extend through the elongated ber may be automatically rendered inoperative, intake opening IS.
  • the lower edges of walls 2! whenever the nozzle is placed on a hardwood may be formed with grooves 24, shown more parfioor or the like. ticularly in Fig. 2.
  • Fig. 2 is across-sectional view taken on the hollow member ID.
  • valve member 2'! serves to close the opening 26 in the upper part 22 of Fig. 3 is a cross-sectional view of another emthe agitator. It will thus be seen that the diaphragm l8 andthe agitator serve to divide the a different position;
  • Fig. 4 is a cross-sectional view of a further emhollow member into a lower chamber 29 and an bodiment of my invention.
  • FIG. 1 The space between the top of intermediate intermediate chamber 30 and that valve member Fig. 5 is a cross-sectional view taken on the 21 controls communication between these two reference character, 10 designates generally a part II and upper part 15 of the hollow member hollow member formed with an opening ll adaptmay be termed a control chamber and is divided ed to be connected to a source of suction, such as into an atmospheric compartment 3
  • Hollow member in comprises alowerpart ii, an in the top of intermediate part it, holes 31 intermediate part I! and an upper part l5. formed in the edge of diaphragm 33 and pas- Lower part I3 is formed with an elongated insageways 28 formed in upper member IS.
  • a coil take opening It and, if desired, with further openspring 89 is retained within compartment 32 beings ll. Clamped between lower member l2 and tween the top thereof and diaphragm 33. Each intermediate member I! is a flexible diaphragm turn of spring 28 is of diflerent diameter so that,
  • the turns when the spring is compressed, the turns may nest one within the other.
  • the opening 23a bounded by walls 23 is sealed to a considerable extent, and when air is exhausted from chamber 30 through handle l2 and hose 6 by the vacuum cleaner 9, a partial vacuum is produced in chamber 30.
  • This vacuum also prevails in chamber 32 due to the fact that this chamber'communicates with chamber 30 through the passageway formed at 36, 31 and 36.
  • This reduction in pressure ' is suflicient to permit the atmopsheric pressure prevailing in chamber 3
  • This upward movement of the diaphragm causes spindle 28 to move upwardly and valve member 21 closes the opening 26 in the upper part 22 of the agitator member.
  • Chamber 30 is now completely closed from the atmosphere and the low pressure produced therein causes diaphragm l8 and the agitator member connected thereto to move upwardly. During a part of this movement the outer edge of flexible valve member 21 remains in contact with upper part 22 of the agitator and opening 26 remains sealed. However, further upward movement of the agitator pulls it away from the valve member and communication between chamber 30 and the interior of the agitator is established through opening 26. This immediately reduces the vacuum prevailing in chamber 30, and produces a partial vacuum in chamber 29 underneath the diaphragm and springs 25, which were stressed by the upward movement of the agitator, now forces the agitator down. Air is drawn into chamber 30 through the interior of theagitator and passes through handle
  • the agitator member is hence caused to move up and down at a high rate of speed and the walls 23 thereof rapidly strike the object being cleaned and thus dislodge dirt adhering thereto.
  • This dirt is picked up by the air stream passing in to the hollow agitator member and is carried through the handle l2 and hose 8 to the vacuum cleaner unit 9.
  • valve member 21 does not seal the opening 26, with the result that no variations in the pressure acting on the diaphragm l8 are produced and consequently, the agitator member is not moved up and member continues to operate when the nozzle is on a hardwood floor or the like, it not only produces a highly undesirable noise, but might mar the floor if the walls 23 are made of metal. It will be seen that the arrangement above described operates automatically to render the agitator member inoperative when the nozzle is used on a hard surface.
  • the embodiment shown in Fig. 3 is similar to that shown in Figs. 1 and 2, except that the agitator member is rendered inoperative manually instead of automatically.
  • the hollow member In comprises a lower member l3, similar to that shown in Figs. 1 and 2, and an upper member 40 which may be secured to the lower member in the same manner that intermediate member H in Figs. 1 and 2 is secured.
  • Valve member 21 is supported on the lower end of a spindle 4
  • is provided with a hand grasp member 42 and a spring 43 is retained between member 42 and a shoulder 44. Spring 43 tends to hold the spindle and the valve member in the upper position shown in Fig.
  • Member 42 is provided with a pin 45 arranged to slidein an axial groove 46.
  • the lower end of axial groove 46 communicates with a circumferential groove 41.
  • member 42 When it is desired to render the agitator inoperative, member 42 is pressed downwardly against the action of spring 43 until pin 45 sliding in groove 46, reaches circumferential groove 41. Thereafter, a slight rotation of member 42 in either direction moves pin 45 into the circumferential groove and spindle 4
  • valve member When the valve member is in its upper position, as shown in Fig. 3, the operation of the device to produce rapid movement of the agitator is the same as that described in connection with the embodiment shown in Figs. 1 and 2.
  • the hollow member ID comprises a lower portion 50
  • an inmember 54 comprises a lower part 55 having downwardly extending walls 56 bounding an opening 51
  • an upper part 56 formed with a preferably circular opening 59 therethrough.
  • Coil springs 60 serve to support the agitator member within the hollow member l0.
  • Diaphragm 53 and agitator member 54 serve todivide hollow member Ill into a lower chamber 6
  • An upper or control chamber 63 is formed between intermediate part 5
  • a valve member 66 formed ofrubber, or other resilient material has an upper disc-shaped portion, the outer edge of which is clamped between the top of part 5
  • the lower end of valve member 66 cooperates with opening 59 so as to provide a closure therefor.
  • the lower end of valve member 66 may be provided with a disc 69 of metal or other rigid material for reenforcing purposes.
  • valve plate II is secured to each of pins I0. These plates serve to close passages 64 when the pins are in their lower positions and serve to close passages 66 when the pins are in their upper positions. Passages I4 and I6 and valve plate ll thus comprise two-way valve means for connecting chamber 63 selectively with the atmosphere and with chamber 62. Resilient arms 12, secured to agitator 64 are arranged to bear against the lower ends oi pins and to raise the latter when the agitator is raised.
  • a reduced pressure is produced in chamber 62 due to the exhaustion of air therefrom through handle II.
  • This causes diaphragm 53 and agitator 54 to be moved upwardly by the pressure of the atmosphere acting on the lower sides thereof.
  • This movement of the agitator compresses springs 60 and also tends to flatten out the disc-shaped portion of valve member 66.
  • the upper end of the valve member is subjected to the atmospheric pressure prevailing in chamber 63 and the lower end of valve member is likewise subjected to atmospheric pressure. which prevails underneath diaphragm 53 and within the hollow agitator member.
  • Continued upward movement of the agitator causes arms 12 to strike and lift pins 16.
  • Plates H are moved upwardly with the pins so as to uncover passages 64 and to close passages 65. Consequently, the reduced pressure prevailing within chamber 62 is communicated to chamber 63 and acts on the upper end of valve member 66. Inasmuch as atmospheric pressure continues to act on the lower end of the valve member, the pressures acting on opposite ends of the valve member are unbalanced and the valve member is drawn more or less up into chamber 63 and uncovers the opening 59 in the agitator. Chamber 62 is now in communication with the atmosphere through opening 68 and the pressure in chamber 62 is accordingly raised while the pressure in chamber 6
  • a hollow member having an intake opening and an opening adapted to be connected to a source of suction, means including a flexible diaphragm and an agitator located in said member in the path or air flow between said openings and movable due to variationsinairpressureactingthereomsaidm us therethrough, and means operative by movement or the flrst mentioned means ior increasing and decreasing flow or air through said passage to cause fluctuations in the pressure acting on said first mentioned means.
  • a hollow member having an intake opening and an opening adapted to be connected to a source of suction, means including a flexible diaphragm and an agitator located in said member in the path oi air flow between said openings and movable due to variationsin air pressure acting thereon, said'means being formed with a passage for flow of air therethrough, and a valve member operative by movement of said means for increasing and decreasing flow oiair through said passage to cause fluctuations in the pressure acting on said means.
  • a hollow member having an inlet opening and an opening adapted to be connected to a source of suction, means including a flexible diaphragm and an agitator located in said member in the path of air flow between said openings and oscillatabledue to variations in air pressure acting thereon, said means being formed with a passage for flow of air therethrough, and a valve member associated with said passage and operative upon movement of said means in one direction to open said passage and upon movement of said means in the opposite direction to close said passage.
  • a hollow member having an inlet opening and an opening adapted to be connected to a source of suction, means including a flexible diaphragm and an agitator located in said member in the path of air flow between said openings and movable in vertical direction due to variations of air presure acting thereon, said means being formed with a passage for flow of air therethrough, and a valve member associated with said passage and operative upon upward movement of said means to open said passage and operative upon downward movement of said means to close said passage.
  • walls forming a hollow member having an inlet opening and an opening adapted tobe connected to a source of suction, an agitator member, means for movably supporting said agitator in said hollow member adjacent to said inlet opening, a flexible diaphragmsecured to said agitator and said walls, said agitator and said diaphragm forming a partition in said hollow member between said openings movable in response to variations in air pressure acting thereon, said partition being formed'with a passage for flow of air therethrough, and a valve member associated with said passage and operative by movement of said partition for increasing and decreasing flow of air through said passage to cause fluctuations in the pressure acting on said partition.
  • a hollow member having an intake opening and an opening adapted to be connected to a source of suction, means including a flexible diaphragm and an agitator located in said member and movable due to variations in air pressure acting thereon, and means for simultaneously decreasing the pressure n one side of said diaphragm and increasing the pressure on the other side of said diaphragm and alternately, for simultaneously increasing the pressure on said one side and decreasing it on said other side.
  • a hollow member having an intake opening and an opening adapted to be connected to a source of suction, means including a flexible diaphragm and an agitator located in said member and movable due to variations in air pressure acting thereon, and means operative by movement of the first mentioned means in one direction for decreasing the pressure on one side of said diaphragm and increasing the pressure on the other side of said diaphragm and operative by movement of said first mentioned means in the opposite direction for increasing the pressure on said one side and decreasing it on said other side of said diaphragm.
  • a hollow member having an intake opening adapted to be partially sealed by a surface to be cleaned and an opening adapted to be connected to a source of suction, a movable diaphragm in said member, an agitator member secured to said diaphragm and movable therewith, means for increasing and decreasing the air pressure acting on said diaphragm to cause movement thereof, and means responsive to an increase in pressure caused by unsealing said intake opening within said memher for rendering the last mentioned means inoperative.
  • a suction nozzle a hollow member having an intake opening and an opening adapted to be connected to a source of suction, a diaphragm in said member movable in response to variations in pressure acting thereon, an agitator member secured to said diaphragm and movable therewith, valve means operable by movement of said diaphragm for increasing and decreasing the pressure acting on said diaphragm, and means for rendering said valve means inoperative.
  • a hollow member having an intake opening adapted to be partially sealed by a surface to be cleaned and an opening adapted to be connected to a source of suction, a diaphragm in said member movable in response to variations in pressure acting thereon, an agitator member secured to said diaphragm and movable therewith, valve means operable by movement of said diaphragm for increasing and decreasing the pressure acting on said diaphragm, and means responsive to an increase in pressure caused by unsealing said intake opening within said member for rendering said valve means inoperative.
  • a hollow member having an intake opening and an opening adapted to be connected to a source of suction, means including a flexible diaphragm and an agitator located in said member in the path of air flow between said openings and movable due to variations in air pressure acting thereon, said means being formed with a passage for flow of air therethrough, a valve member operative by movement of said means for increasing and decreasing flow of air through said passage to cause fluctuations in the pressure acting on said means, and
  • a hollow member having an intake opening adapted to be partially sealed by a surface to be cleaned and an opening adapted to be connected to a source of suction, means including a flexible diaphragm and an agitator located in said member in the path of air flow between said openings and movable due to variations in air pressure acting thereon, said means being formed with a passage for flow of air therethrough, a valve member operative'by movement of said means for increasing and decreasing flow or air through said passage to cause fluctuations in the pressure acting on said means, and means responsive to an increase in pressure caused by unsealing said'intake opening within said hollow member for moving said valve member to an inoperative position.
  • a hollow member having an inlet opening and an opening adapted to be connected to a source of suction, means including a flexible diaphragm and an agitator located in said member in the path of air flow between said openings and oscillatable due tovariations in air pressure acting thereon, said means being formed with a passage for flow of air therethrough, a valve member associated with said passage and operative upon movement of said means in one direction to open said passage and upon movement of said means in the opposite direction to close said passage, and means for moving said valve member to a position such that said passage is continuously open.
  • a hollow member having an inlet opening adapted to be partially sealed by a surface to be cleaned and an opening adapted to be connected to a source of suction, means including a flexible diaphragm and an agitator located in said member in the path of air flow between said openings and oscillatable due to variations in air pressure acting thereon, said means being formed with a passage for flow of air therethrough, a valve member associated with said passage and operative upon movement of said means in one direction to open said passage and upon movement of said means in the opposite direction to close said passage, and means responsive to an increase in pressure caused by unsealing said intake opening within said hollow member for moving said valve member to a position such that said passage is continuously open.
  • a hollow member having an inlet opening and an opening adapted to be connected to a source of suction, means including a flexible diaphragm and an agitator located in said member in the path 01' air flow between said openings and movable in vertical direction due to variations of air pressure acting thereon, said means being formed with a passage for flow of air therethrough, a valve member associated with said passage and operative upon upward movement of said means to open said passage and operative upon downward movement of said means to close said passage, said valve member being mounted for upward and downward movement, and means for moving said valve member downwardly to a position such that said passage is continuously open.
  • a hollow member having an inlet opening adapted to be partially sealed by a surface to be cleaned and an opening adapted to be connected to a source of suction, means including a flexible diaphragm and an agitator located in said member in the path of air flow between said openings and movable in vertical direction due to variations of air pressure acting thereon, said means being formed with a passage for flow of air therethrough, a valve member asso ciated with said passage and operative upon up ward movement of said means to open said passage and operative upon downward movement of said means to close said passage, said valve mem-' ber beingmounted for upward and downward movement, and means responsive to an increase in pressure caused by unsealing said intake opening within said hollow member for moving said valve member downwardly to a position such that said passage is continuously open.
  • a hollow member having an intake opening and an opening adapted to be connected to a source of suction, means including a flexible diaphragm and an agitator located in said member in the path of air flow between said openings and movable due to variations in air pressure acting thereon, said means being formed with a passage for flow of air therethrough, a movably mounted valve member cooperable with said passage and operative by movement of said means for increasing and decreasing flow of air through said passage to cause fluctuations in the pressure acting on said means, said hollow member being formed with a control chamber, a second diaphragm dividing said chamber into two compartments, one of said compartments being connected to the atmosphere and the other of said compartments being connected to the interior of said hollow member whereby said.
  • second diaphragm is subjected on one side to the pressure in said hollow member and on the other side to the constant pressure of the atmosphere, resilient means tending to move said second diaphragm against the pressure of the atmosphere, and means connecting said second diaphragm with said valve member for moving said valve member out of cooperative relation with said passage upon a substantial equalization of the air pressures acting on opposite sides of said second diaphragm.
  • a hollow member having an intake opening and an opening adapted to be connected to a source of suction, means including a flexible diaphragm and an agitator located in said member in the path of air flow between said openings and movable due to variations in air pressure acting thereon, said means being formed with a passage for flow of air therethrough, a valve member associated with said passage for increasing and decreasing the flow of air through said passage to cause fluctuations in the pressure acting on said means, said hollow member being formed with a control chamber, and two-way valve means operable by movement of the first mentioned means for connecting said chamber selectively with the atmosphere and with the interior of said hollow member, the valve member associated with said passage'being responsive to a decrease in pressure in said control chamber to increase the flow of air through said passage and being responsive to an increase in, pressure in said control chamber to decrease the flow of air through said passage.
  • a suction nozzle a hollow body having an intake opening and an opening adapted to be connected to a source of suction, structure including a movable member located in said body in the path of air flow between said openings, said member being movable due to variations. in air pressure acting thereon, an agitator connected to said movable member for movement there-, by, said structure being formed with a passage

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
US17381A 1935-04-20 1935-04-20 Suction nozzle Expired - Lifetime US2070834A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US17381A US2070834A (en) 1935-04-20 1935-04-20 Suction nozzle
FR809903D FR809903A (fr) 1935-04-20 1936-04-18 Perfectionnements dans les tuyères d'aspiration pour appareils pour le nettoyage par le vide
DEA79140D DE655872C (de) 1935-04-20 1936-04-19 Mundstueck fuer Staubsauger mit Klopfmembran
GB11251/36A GB462870A (en) 1935-04-20 1936-04-20 Improvements in or relating to suction nozzles for vacuum cleaning apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17381A US2070834A (en) 1935-04-20 1935-04-20 Suction nozzle

Publications (1)

Publication Number Publication Date
US2070834A true US2070834A (en) 1937-02-16

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Application Number Title Priority Date Filing Date
US17381A Expired - Lifetime US2070834A (en) 1935-04-20 1935-04-20 Suction nozzle

Country Status (4)

Country Link
US (1) US2070834A (fr)
DE (1) DE655872C (fr)
FR (1) FR809903A (fr)
GB (1) GB462870A (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2622263A (en) * 1947-11-08 1952-12-23 Electrolux Corp Bumper mounting and nozzle assembly for suction cleaners
US2825925A (en) * 1954-04-05 1958-03-11 Hoover Co Suction nozzle with suction powered agitator
US2858560A (en) * 1953-07-30 1958-11-04 Jr Albert G Bodine Pulsating suction cleaner with oscillating beater
US2875466A (en) * 1955-06-21 1959-03-03 Whirlpool Co Vacuum cleaner
US2951257A (en) * 1953-06-23 1960-09-06 Jr Albert G Bodine Vacuum cleaner with pulsating suction
US3054131A (en) * 1958-11-24 1962-09-18 Pul Vac Inc Vacuum cleaner head
US10980381B1 (en) 2017-10-12 2021-04-20 Matthew ZUSY Nozzle assembly for vacuum device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1208048B (de) * 1961-04-26 1965-12-30 Pul Vac Inc Saugkopf fuer einen Staubsauger oder fuer sonstige, mit Saugluft betriebene Vorrichtungen

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2622263A (en) * 1947-11-08 1952-12-23 Electrolux Corp Bumper mounting and nozzle assembly for suction cleaners
US2951257A (en) * 1953-06-23 1960-09-06 Jr Albert G Bodine Vacuum cleaner with pulsating suction
US2858560A (en) * 1953-07-30 1958-11-04 Jr Albert G Bodine Pulsating suction cleaner with oscillating beater
US2825925A (en) * 1954-04-05 1958-03-11 Hoover Co Suction nozzle with suction powered agitator
US2875466A (en) * 1955-06-21 1959-03-03 Whirlpool Co Vacuum cleaner
US3054131A (en) * 1958-11-24 1962-09-18 Pul Vac Inc Vacuum cleaner head
US10980381B1 (en) 2017-10-12 2021-04-20 Matthew ZUSY Nozzle assembly for vacuum device

Also Published As

Publication number Publication date
FR809903A (fr) 1937-03-12
GB462870A (en) 1937-03-17
DE655872C (de) 1938-01-24

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