US2052127A - Starting device for internal combustion engines - Google Patents

Starting device for internal combustion engines Download PDF

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Publication number
US2052127A
US2052127A US606006A US60600632A US2052127A US 2052127 A US2052127 A US 2052127A US 606006 A US606006 A US 606006A US 60600632 A US60600632 A US 60600632A US 2052127 A US2052127 A US 2052127A
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US
United States
Prior art keywords
pinion
inertia mass
engine
clutch
engagement
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
US606006A
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English (en)
Inventor
Callsen Albert
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.)
Robert Bosch AG
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to US13169A priority Critical patent/US2052128A/en
Application granted granted Critical
Publication of US2052127A publication Critical patent/US2052127A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N19/00—Starting aids for combustion engines, not otherwise provided for
    • F02N19/001—Arrangements thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/022—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch
    • F02N15/025—Gearing between starting-engines and started engines; Engagement or disengagement thereof the starter comprising an intermediate clutch of the friction type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
    • F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N5/00—Starting apparatus having mechanical power storage
    • F02N5/04—Starting apparatus having mechanical power storage of inertia type

Definitions

  • the present invention relates to a starting device for internal combustion engines, in which an inertia mass is brought to a high speed of rotation by means of an electric motor or by hand, and then coupled to the internal combustion engine to be started, and in which a friction clutch is introduced between the pinion engaging in the rim of the flywheel of the engine and the inertia mass.
  • the pinion is permanently connected with the inertia mass so as to transmit power through a spring-loaded plateclutch.
  • thedrawback of the first-mentioned construction is removed, whilst the starting device of the secondnamed construction is also made applicable to flywheel starters in that the power connection between the pinion and the inertia mass, which is effected by a plate-clutch operated by an axial-- ly screwing pressure member, is capable of being initiated at will.
  • Figure 1 is a semi-diagrammatic sectional view of a starter having an axially adjustable arma-,- ture, in the position of rest,
  • Figure 2 is a plan of connections of the starting device
  • FIG 3 shows the starter in engagement
  • Figure 4 shows the starter in the working posi- 5 tion.
  • I is the armature of an electric starting motor which in known manner can be axially displaced by the magnetic force of the field winding.
  • On the armature shaft 2 is keyed a flywheel 3 and a pinion 4 is revolubly mounted on the shaft 2.
  • the pinion 4 has a shank 5 which has an external thread 6 of quick pitch.
  • a nut I can move on the shank by means of the thread 6.
  • the torque of the armature I is transmitted to the pinion 4 through a plateclutch .8.
  • the plates 9 of the clutch engage by means of-projections It) in recesses H in the flange i2 of the flywheel 3, whilst the plates l3 engage by projections in grooves IS in the nut I.
  • a spring I1 is tensioned between the nut I and a stop IE on the shank 5 of the pinion, and the spring tends to push the nut I against the plates. 6
  • a lever 19 is pivotally mounted above the plate-clutch 8.
  • One end of the lever projects into the casing, and strikes against a flange 2
  • the lever is pulled back by a spring 24 into its position of rest.
  • a switch 22 is so arranged on the casing I8 that the switch arm 25 is brought into the switched on position by a finger 23 on the lever I9 when the lever is rocked.
  • the switch arm carries a contact 26, 5 opposite to which a contact 21 is fastened in an insulated manner on the casing.
  • the switch arm 25 is held in its on position by a holding coil 28 and is raised by a spring 29 as soon as the holding'coil is deprived of current.
  • Fig. 2, 30 is a battery, one pole of which is connected to earth and the other pole to a brush 34 of the starting armature I.- To the otherbrush 35 is connected one end of an auxiliary field winding 3
  • the mode of operation of the starting device In order to start the internal combustion engine, the switch 32 is closed, thus closing the circuit through the auxiliary field winding 3
  • the torque of the starting motor is however too small in this first switch position to turn over the engine and the motor stops.
  • the lever I9 is now moved into the position shown in Fig. 3.
  • the nut I On rocking the lever, the nut I is moved away from the clutch plates toward the stop I6 against the tension of the spring I! and thereby the clutch released.
  • the switch arm 25 is pressed by the finger 23 against the contact 21.
  • the working currentcircuit is thus now cut in, since the main field winding is also earthed through the switch 22.
  • the starting motor now runs idly with the inertia mass at a high speed and a series wound motor attains of course a very high speed.
  • the lever I9 In order to. 're-engage the clutch 8, the lever I9 is moved back into its starting position.
  • the spring. I! again pushes the nut 1 toward the plates and thus initiates thedriving connection between the armature I and flywheel 3 on the one hand and the pinion 4 on the other.
  • the nut I now presses the plates together with a force which corresponds to the torque required on the pinion, or, what amounts to the same thing, in accordance with" the load imposed on the inertia. mass in turning over the engine.
  • the working current circuit of the starting motor remains closed by the holding coil 29 so that the starting motor can further assist the action of the flywheel 3.
  • the pinion comes out of engagement in known manner.
  • the succession of operations are the advancement of the pinion into engagement with the toothed rim of the flywheel by displacement of the armature upon closure of the switch 32 of the auxiliary.
  • the pinion can also be put in engagement by the lever I9 instead of with the aid of the displaceable armature, the nut I and the shank of the pinion being so formed that the nut .can again screw itself back toward the clutch to a distance corresponding to the displacement for engaging the pinion, in order to make the clutch operative.
  • This makes it possible to effect the engagement of the pinion with the toothed rim of the engine flywheel after the inertia mass has been set in and while it is still in full speed rotation and without damage to either the.
  • the lever I9 is moved back to its neutral position and this movement of the lever, of course, relieves the nut 'I from the pressure of the lever against it, whereupon the spring I'I again pushes the nut toward the clutch plates and thus initiates the driving connection between the rapidly rotating inertia mass and the pinion to turn over the engine through the established engagement of the pinion with the toothed rim of the engine flywheel.
  • the last-described method of starting does not necessarily require the device to include the electric motor'shown therein or any electric motor at all, for any motor whether electric or not or even manual means suitable for bringing the inertia mass up to the required rotation speed may be employed.
  • the first operation step of setting the inertia mass in full speed rotation before the pinion is engaged with the engine flywheel may be performed by leaving the switch 32 for the auxiliary field winding of the motor open so as to avoid that displacement of the armature which would advance the pinion into engagement with the engine flywheel before the inertia mass has been speeded up, and manually closing the switch 22 for the main field winding as may be required to set the armature and the connected inertia mass into full speed rotation.
  • a further advantage of the starting device according to the invention consists in that the use of a separate free-wheel device for the idle high speed running of the starting motor is avoided.
  • a starting device for internal combustion engines comprising an inertia mass, ashaft ropinion having a shank, a nut mounted to rotate on the shank of said pinion, a plate-clutch between said pinion. and said inertia mass controlled by said nut and means operable at will in all positionsof said pinion to displace said nut relatively to said pinion to disengage said clutch.
  • a starting device for internal combustion engines comprising an inertia mass, a shaft rotatably mounting said mass, means for setting said inertia mass in rotation at high speed, a
  • a starting device for internal combustion engines comprising a motor, a shaft rotatably mounted in operative relation to said motor to be driven thereby, a pinion freely mounted on said shaft for rotation and axial movement along said shaft into engagement with a member of the engine to be started, said pinion having a shank; a nut mounted to rotate on the shank of said pin- -ion, a driving. connection between said pinion and said shaft comprising a plate-clutch controlled by said nut and means operable at will with said shaft in rotation or at rest and in all positions of said pinion to displace said nut relative to said pinion to disengage said clutch.
  • a starting device for internal combustion engines comprising a motor, a shaft rotatably mounted in operative relation to said motor to be driven thereby, an inertia mass secured to said shaft, a pinion freely mounted on said shaft, a sleeve having an external thread secured to said pinion, a nut on said sleeve in engagement with said external thread, a plate-clutch connecting said pinionand said inertia mass and controlled by said nut, a spring urging said nut to engage said plate-clutch, and a lever operable at will to displace said nut in a direction disengaging said clutch.
  • a starting device for internal combustion engines comprising an inertia mass, means for setting said inertia mass in rotation at high speed, a rotatable element adapted to be driven by said inertia mass-and means for temporarily connecting said rotatable element wtih the engine for turning over the same, an automatically working multiple-part friction clutch establishing a driving connection between said inertia mass and said rotatable element, and means to prevent said working of saidclutch as said rotatable element is being connected with the engine and'as said inertia mass is being set in high speed rotation.
  • a starting device for internal combustion engines comprising the combination, with an engine gear adapted to be driven to turn over the engine, of a prime mover having arotatable shaft and operable atwill to set said shaft in highspeed rotation, a rotatable element normally out of enga ement with said engine gear but shiftable into said engagement to drive said gear, on automatically working multiple-part friction clutch establishing a driving connection between the shaft of said prime mover and said rotatable element, and means to prevent said working of said clutch as said rotatable element comes into contact with said engine gear upon operating said prime mover and shifting said rotatable element.
  • a starting device for internal combustion engines comprising the combination, with an engine gear adapted to be driven to turn over the engine, an inertia mass adapted to be set in high-speed rotation, a pinion normally out of engagement with said engine gear but shiftable into said engagement to drive said gear, an automatically workingmultiple-part friction clutch establishing a driving connection between said inertia mass and said pinion, and means operable at will to set said inertia mass in high speed rotation and shift said pinion into engagement with said engine gear, said means comprising an element operating on said clutch as said pinion is shifted to prevent said working of said clutch as said'pinion comes into contact with said engine gear.
  • A-starting device for internal combustion engines comprising the combination, with an engine gear adapted to be driven to turn over the engine, of an inertia mass adapted to be set in highspeed rotation, a pinion normally out of engagement with said engine gear but shiftable into said engagement to drive said gear, means comprising a multiple-part friction clutch and a pressure member automatically engaging said clutch to press its parts together for establishing a driving connection between said inertia mass and said pinion, and means operable at will to set said inertia mass in high-speed rotation and shift said pinion into engagement with said engine gear, said means comprising an element restraining said pressure member from engaging said clutch as said pinion comes into contact with said enmally out of engagement with said engine gear but shiftable into said engagement for the turning over of the engine, transmission-drive means between said inertia mass and said pinion comprising a multiple-part friction clutch automatically operating to complete the driving connection between said inertia means and said pinion for the rotation of the latter, means operable at will to
  • a starting device for internal combustion engines comprising the combination, with an engine gear adapted to be driven to turn over the engine, of a rotatable shaft, a prime mover for rotating said shaft, a pinion mounted for rotation with said shaft and movement axially thereof into engagement with said engine. gear, said pinion having a shank extending therefrom along said shaft toward said prime mover, driving means between said shaft and said shank comprising a control member in threaded engagement wtih said shank, a multiple-part friction clutch and means yieldingly engaging said conof said clutch together, and means operable at will tb shift said control member along said shank to release said clutch.
  • a starting device for internal combustion engines comprising a rotatable inertia mass, a rotatable member adapted to be driven by said inertia mass and normally out of engagement but movable axially into engagement with a part of the engine to turn over the latter, a clutch trol member with said clutch to engage the parts, 1
  • a starting device for internal combustion engines comprising a rotatable inertia mass, a rotatable member adapted to be driven by said inertia mass and normally out oi. engagement but movable axially into engagement with a part of the engine to turn over the latter, means comprising a clutch normally establishing a driving connection between said member and said inertia mass in all positions of said member for rotation of said member at substantially the speed of said inertia mass, means to run said inertia mass up to high speed while said member is in its normal position connected therewith and out of engagement with said engine part, and mechanical means operable upon said clutch and upon said member at will when said inertia mass is in high driving speed to first disconnect said member from said inertia mass and then axially move said member into engagement with said engine part and while said member is in said engagement with said engine part to restore said connection between said member and said inertia mass whereby the torque of the high speed rotation of said inertia mass may be
  • a starting device for internal combustion engines comprising a rotatable inertia mass, a rotatable engine-driving member adapted to be driven by said inertia mass and having a nonstarting position out of engagement with the engine but movable axially into said engagement to turn over the engine, means comprising a clutch normally establishing a driving connection between said engine-driving member and said inertia mass in all positions of said memberfor rotation of the latter at substantially the speed of said inertia mass, means to run said inertia mass up to high speed rotation with said engine-driving member in its said non-starting position, and a single manually operable member and associated means operable upon said clutch and said engine-driving member at will by operation of said manually operable member to disconnect said engine-driving member from said inertia mass while the latter is in highspeed rotation and axially move said enginedriving member into engagement with said engine and then to restore said connection between said engine-driving member and said in

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Mechanical Operated Clutches (AREA)
US606006A 1931-04-24 1932-04-18 Starting device for internal combustion engines Expired - Lifetime US2052127A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13169A US2052128A (en) 1932-04-18 1935-03-26 Starting device for internal combustion engines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB149716D DE560167C (de) 1931-04-24 1931-04-24 Anlassvorrichtung fuer Verbrennungsmotoren mit einer Schwungmasse

Publications (1)

Publication Number Publication Date
US2052127A true US2052127A (en) 1936-08-25

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US606006A Expired - Lifetime US2052127A (en) 1931-04-24 1932-04-18 Starting device for internal combustion engines

Country Status (6)

Country Link
US (1) US2052127A (fr)
AT (1) AT134895B (fr)
CH (1) CH161651A (fr)
DE (1) DE560167C (fr)
FR (1) FR735531A (fr)
GB (1) GB385813A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4502429A (en) * 1981-10-09 1985-03-05 Hitachi, Ltd. Inertia drive type starter for internal combustion engine
WO2013112048A1 (fr) * 2012-01-23 2013-08-01 Dti Group B.V. Dispositif de démarrage destiné à faire démarrer un moteur à combustion
CN105298708A (zh) * 2014-07-25 2016-02-03 福特全球技术公司 低温发动机启动

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE947938C (de) * 1949-01-15 1956-08-23 Marc Pierre Julis Leboucher Schwungkraftanlasser fuer Brennkraftmaschinen
DE102013212296B4 (de) * 2013-06-26 2021-07-01 Seg Automotive Germany Gmbh Startvorrichtung für eine Brennkraftmaschine
CN119533239B (zh) * 2024-12-09 2025-09-12 中国航空工业集团公司北京长城计量测试技术研究所 一种螺纹扫描测量仪的校准方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4502429A (en) * 1981-10-09 1985-03-05 Hitachi, Ltd. Inertia drive type starter for internal combustion engine
WO2013112048A1 (fr) * 2012-01-23 2013-08-01 Dti Group B.V. Dispositif de démarrage destiné à faire démarrer un moteur à combustion
CN105298708A (zh) * 2014-07-25 2016-02-03 福特全球技术公司 低温发动机启动

Also Published As

Publication number Publication date
DE560167C (de) 1932-09-29
GB385813A (en) 1933-01-05
AT134895B (de) 1933-10-10
FR735531A (fr) 1932-11-10
CH161651A (de) 1933-05-15

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