US3315610A - Rotating vane pump - Google Patents

Rotating vane pump Download PDF

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Publication number
US3315610A
US3315610A US467863A US46786365A US3315610A US 3315610 A US3315610 A US 3315610A US 467863 A US467863 A US 467863A US 46786365 A US46786365 A US 46786365A US 3315610 A US3315610 A US 3315610A
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United States
Prior art keywords
vane
vanes
pump
rotor
fluid
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Expired - Lifetime
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US467863A
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English (en)
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Salminen Paavo
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Individual
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Individual
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
    • F04C2/344—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F04C2/3448—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member with axially movable vanes

Definitions

  • rotation of the rotor causes the vanes also to rotate, the vanes thus carrying fluid from the pump inlet to the pump outlet.
  • the partition wall is provided with inclined flank portions adjacent the pump inlet and the pump outlet, said inclined flank portions serving to lift each approaching vane up an inclined flank.
  • the present invention has for its object to eliminate or at least reduce the above stated disadvantages.
  • a vane pump comprising a pump body, a rotor mounted for rotation within said pump body, slots being provided in said rotor for receiving vanes slidably mounted therewithin, a portion of said vanes normally lying within a pump chamber, adapted to contain the fluid to be pumped, said vanes serving to move the fluid from a fluid inlet towards a fluid outlet communicating with said chamber, a partition wall being provided which serves to separate said fluid inlet from said fluid outlet, wherein each vane is provided with guide means associated with a side edge portion thereof, said :guide means co-operating with cam means, such that movement of the vanes with respect to said cam means causes such vanes to be guided over the partition wall.
  • the partition wall between the inlet and outlet in the pump chamber can be formed without any inclined flanks.
  • FIGURE 1 shows an axial section of a preferred embodiment of a rotating vane pump according to the invention
  • FIGURE 2 shows a section of the pump of FIGURE 1 along the line IIH in FIGURE 1,
  • FIGURE 3 shows a perspective view of a detail of the pump of FIGURES 1 and 2,
  • FIGURE 4 shows another embodiment of a vane
  • FIGURE 5 shows a third embodiment of a vane as seen from the side and FIGURE 6 shows the vane of FIGURE 5 as a section along the line VIVI in FIGURE 5.
  • the rotating vane pump shown in FIGURES 1 to 3 consists of a cylindrical pump body 1, in which there is, by means of bearings 2, rotatably mounted a rotor 3.
  • the rotor is provided with six slots 4 equally spaced around the central axis of the rotor. In each slot 4 there is arranged, with a small clearance, an axially movable vane 5.
  • the pump body is closed by an end Wall 6 which is provided with a central plug 7 which fits with a small clearance in the rotor 3.
  • an annular pump chamber 8 which is concentric with the rotor.
  • the pump chamber 8 is provided with, an inlet 9 and an outlet 10, formed in the end wall 6, for the fluid to be pumped.
  • the pump chamber is provided with a partition wall 11 between the inlet 9 and the outlet 10 which prevents the inlet and the outlet from communicating with another over the partition wall.
  • Each vane 5 is provided between its axial ends with a rotatably mounted guide roller 12, which is arranged on that side of the vane which faces the center axis of the rotor.
  • a peripheral groove 13 In the central plug 7, there is formed a peripheral groove 13, with which the rollers 12 cooperate to produce axial displacement of the vanes while the rotor rotates.
  • the groove 13 is formed above the partition Wall 11 with a camlike profile 14, slanting surfaces 15 and 16 being provided thereon.
  • the rotor When the vane pump is working as a pressure pump, the rotor may be provided with a channel 17 in front of each slot 4 with respect to the direction of rotation of the rotor.
  • the channel 17 serves to connect a slot 4 with the pump chamber. In this way the pumped fluid acts with the same pressure on both axial end surfaces of each vane, whereby the vanes are balanced.
  • rollers 12 of the vanes are, therefore, substantially loaded only while the vanes are shifted axially by the slanting portions 15 and 16 out from the pump chamber and back again into the pump chamber.
  • the balancing of the vanes may be obtained by connecting the bottom part of the slots 4 with one another, for example by removing the packing 18 in the construction according to FIGURE 1.
  • the bottom part of the slots com- ' shows such an embodiment.
  • the performance of the rotor will be limited to a single direct-ion of rotation, depending on which side of each slot the channel is positioned, because the channels must be arranged in front of each slot with respect to the direction of rotation of the with two axial channels 19 rotor.
  • the same rotor construction can be used for left hand rotation as well as for right hand rotation, in which case the differences between pumps rotating in I opposite directions can be'limited to the form of the vanes.
  • the vanes By forming the channels in thevanes, it is possible to form the vanes from a plastic material, since the suction which no'rmally'appears in large'plastic bodies, can be effectively avoided by making the vanes of a hollow construction with relatively thin but still sufficiently strong walls.
  • the roller running in the groove receives the axial forces which are transmitted to the vane.
  • FIGURES Sand 6 illustrate such an embodiment.
  • a ball 24 is mounted in a substantially semi-spherical pivot seat 25 in the vane 23 on that side of the vane which faces the center axis of the'rotor.
  • the peripheral guide groove inthe center plug projecting into the rotor is in this case of a substantially semi-circular cross-section, so that the ball, lbesides receiving the axial guide forces mentioned in connection with FIGURES 1-3 also receives radial guide forces as shown schematically by in FIGURES 14, the guide members of the vanes 5, 18 consist of rollers 12 which run in the peripheral groove dash-lines in FIGURE 5.
  • the depth of the seat with I respect to the diameter of the ball is adjusted so that the volume of the bearing seat is less than" half of the volume of the ball, i.e. the center of the ball is situated outside the side plane 23- of the vane.
  • the vane 23 is further provided in the manner shown 7 in FIGURE 4 with two axially extending open channels 26, for the balancing ofthe vane in the above described 7 way.
  • the semi-spherical bearing seat 25 is, by meansof a bore 27, connected with the channel 26and thus isalso 7 a connected with the pump chamber.
  • a vane pump comprising a pump body, a rotor mounted for rotation within said pump body, said'rotor having slots arranged therein, vanes mounted within said slots for axial sliding movement therein, said rotor and pump body defining a pump chamber adapted to contain the fluid to be pumped, said pump body having an inlet and an outlet in communication with said chamber for' the passage of fluid to and from said chamber, a portion of said vanes normally lying within said pump chamber,
  • vanes serving'to move the fluid from said fluid inlet towards said fluid outlet, a partition wall in said chamber for separating said fluid inlet and said fluid outlet, fsaid pump body including a stationary central axially .pro-i I truding plug portion within said rotor, each vane having an inner side edge portion facing said plug portion, guide means on each vane at said inner side edge portion thereof,
  • a vane pump as claimed in claim '2 whereinsaid guide means comprises a guide roller associated'with each vane, each said roller being received in said groove which is shaped such that relative rotary movement of the vanes about the longitudinal axis of the plug causes said vanes to move axially with respect to said plug,
  • said guide means comprises a ball received in a substantially semi-spherical bearing seat in each vane, each said ⁇ ball being received in said groove which is shaped such that relative rotary movement of the vanes about the longitudinal axis of the plug causes said vanes to move axially with respect to said plug, said ball serving to transmit both axial and radial forces to the vane.
  • a vane pump as claimed in claim 4 wherein at v least one vane is provided with'a bore which connects the bearing seat for the said ball with the pump1chamber. 6.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
US467863A 1964-09-29 1965-06-29 Rotating vane pump Expired - Lifetime US3315610A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI205564 1964-09-29
FI63065 1965-03-15

Publications (1)

Publication Number Publication Date
US3315610A true US3315610A (en) 1967-04-25

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ID=26156352

Family Applications (1)

Application Number Title Priority Date Filing Date
US467863A Expired - Lifetime US3315610A (en) 1964-09-29 1965-06-29 Rotating vane pump

Country Status (5)

Country Link
US (1) US3315610A (de)
CH (1) CH440986A (de)
GB (1) GB1101506A (de)
LU (1) LU49209A1 (de)
NL (1) NL6509509A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4761121A (en) * 1985-12-17 1988-08-02 Battista Righele G Rotary pump with an improved air extraction system for sacking ground meat
WO1990015932A3 (en) * 1989-06-22 1991-02-07 Cheng Chen Yen Methods and apparatuses for pressurizing and depressurizing fluid streams
DE4222429A1 (de) * 1992-07-09 1994-01-20 Pkl Verpackungssysteme Gmbh Pumpe

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE777628A (fr) * 1971-01-14 1972-06-30 Marcel Jean P Pompes, compresseurs et moteurs a fluide sous pression
US5509793A (en) * 1994-02-25 1996-04-23 Regi U.S., Inc. Rotary device with slidable vane supports

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1028285A (en) * 1911-08-18 1912-06-04 American Rotary Machine Company Rotary machine.
US1042696A (en) * 1910-05-04 1912-10-29 Int Rotations Maschinen Ges M B H Fluid transmission.
US1175153A (en) * 1913-03-25 1916-03-14 Richard Klinger Rotary machine.
US2401376A (en) * 1943-06-18 1946-06-04 Leon M Sherman Torque converter and control system
US3163090A (en) * 1961-12-23 1964-12-29 Beteiligungs & Patentverw Gmbh Hydrostatic converter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1042696A (en) * 1910-05-04 1912-10-29 Int Rotations Maschinen Ges M B H Fluid transmission.
US1028285A (en) * 1911-08-18 1912-06-04 American Rotary Machine Company Rotary machine.
US1175153A (en) * 1913-03-25 1916-03-14 Richard Klinger Rotary machine.
US2401376A (en) * 1943-06-18 1946-06-04 Leon M Sherman Torque converter and control system
US3163090A (en) * 1961-12-23 1964-12-29 Beteiligungs & Patentverw Gmbh Hydrostatic converter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4761121A (en) * 1985-12-17 1988-08-02 Battista Righele G Rotary pump with an improved air extraction system for sacking ground meat
WO1990015932A3 (en) * 1989-06-22 1991-02-07 Cheng Chen Yen Methods and apparatuses for pressurizing and depressurizing fluid streams
DE4222429A1 (de) * 1992-07-09 1994-01-20 Pkl Verpackungssysteme Gmbh Pumpe

Also Published As

Publication number Publication date
NL6509509A (de) 1966-03-30
LU49209A1 (de) 1967-01-30
CH440986A (de) 1967-07-31
GB1101506A (en) 1968-01-31

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