US3774467A - Control device for use with a fuel injection pump - Google Patents

Control device for use with a fuel injection pump Download PDF

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Publication number
US3774467A
US3774467A US00204609A US3774467DA US3774467A US 3774467 A US3774467 A US 3774467A US 00204609 A US00204609 A US 00204609A US 3774467D A US3774467D A US 3774467DA US 3774467 A US3774467 A US 3774467A
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US
United States
Prior art keywords
lever
pin
control device
catch
guide groove
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
US00204609A
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English (en)
Inventor
G Leonard
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.)
CAV Ltd
Original Assignee
CAV Ltd
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 CAV Ltd filed Critical CAV Ltd
Application granted granted Critical
Publication of US3774467A publication Critical patent/US3774467A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2700/00—Mechanical control of speed or power of a single cylinder piston engine
    • F02D2700/02—Controlling by changing the air or fuel supply
    • F02D2700/0269—Controlling by changing the air or fuel supply for air compressing engines with compression ignition
    • F02D2700/0282—Control of fuel supply
    • F02D2700/0284—Control of fuel supply by acting on the fuel pump control element
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems

Definitions

  • ABSTRACT [30] F i A li ti P i it D t
  • Great Britain 58,919/70 having thmtfle control and 3 mp includes a lever connected to the stop control, resilient means 52 US. Cl. 74/469, 123/179 L biasing the a which ShPPlY 0f [51] Int. Cl G05g 1/00 fuel to the engme is prevented pmvlded a 58 Field of Search 74/469, 479; lever whhected the hmtfle comm 0f the 123/179 L pump and which can engage a pin carried by the lever.
  • the object of the invention is to provide a control device for use with such a mechanism, whereby the second control member is automatically moved to a first predetermined position irrespective of the setting of the first control member, in the event of a catch contained in the device being released.
  • a control device for use with a mechanism of the kind specified comprises in combination, a first lever which in use, is operatively connected to said second control member, resilient means biasing said first lever to a first position in which the second control member will be moved to said predetermined position, and a releasable catch operable to retain said first lever in a second position in which the second control member assumes a second predetermined position.
  • FIG. 1 is an inverted plan view of the device and
  • FIG. 2 is a side view in a direction of the arrow A of FIG. I.
  • a first control member in the form of a lever 4 which is mounted upon a shaft 12.
  • the shaft 12 is mounted in a bearing and is operatively connected to a stop control of a liquid fuel injection pump.
  • the lever 4 is loaded by a coiled tension spring 10 to a position as shown in the drawings, in which the stop control prevents the supply of fuel by the pump.
  • the lever 4 is also provided with an elongated slot 3 through which extends a pin2.
  • the pin 2 is slidable within the slot 3 and includes a head 2a which is located within a shaped groove 16 which is formed within a generally rectangular block 1 forming part of the device.
  • a second control member in the form of a lever which is mounted upon a shaft 13 and the shaft 13 is operatively connected to the throttle control member of the fuel pump.
  • the position in which the lever 5 is shown is the minimum or idling position of the throttle control member, and movement of the throttle control to effect an increase of fuel will effect movement of the lever 5 inthe clockwise direction.
  • the free end of the lever 5 is formed as a pivotal latch 11 bears against the pin 2.
  • the groove 16 is specially shaped and includes a first portion 17 which is of arcuate form and has a radius which is struck from the centre of the shaft 13.
  • the ra dius of the portion 17 is however less than the length of the lever 5.
  • the groove portion 17 is extended at opposite ends by curvedportions l8 and 19, portion 18 being shorter than portion 19.
  • a catch member 7 extending across the groove atthe junctions of the portions 18 and 19 thereof is a catch member 7.
  • the catch member 7 is loaded by a coiled compression spring 9 to an inoperative position in which it is withdrawn from across the groove and it is retained in its operative position as shown, by energisation of a solenoid 8.
  • the associated pump cannot supply fuel because of the position of the lever 4.
  • the lever 5 In order to start the engine to which fuel is supplied the lever 5 must first be moved in the clockwise direction and this has the effect of moving the pin 2 along the portion 17 of the groove 16.
  • the lever 4 is moved against the action of the spring 10.
  • a leaf spring 6 is tensioned and when the lever reaches the junction of the portions 17 and 18 of the groove the spring 6 moves the pin 2 along the portion 18 thereby releasing the pin from contact with the lever 5.
  • the pin 2 comes to rest against the catch member 7 and in this position the lever 4 is retained in a position in which the pump can supply fuel.
  • the lever 5 is free to move when the throttle control member of the pump is set to provide the maximum fuel in which position the lever 5 will assume a position about removed in the clockwise direction, from the position in which it is shown.
  • FIG. 1 shows the provision of a further catch member 14 mounted on a pivot 15 and operated by the catch 7.
  • the catch member 14 is moved to a position to prevent the pin 2 reaching the junction of the groove portions 17 and 19, when the catch member 7 is released. In this case therefore the engine cannot be started until the catch member 7 is re-set.
  • a control device for use with a mechanism of the kind including a first control member which is movable to effect a second control operation, the control device comprising in combination, a first lever which is operatively connected to said second control member, resilient means biasing said first lever to a first position in which the second control member will be in a first and a releasable catch operable to retain said first lever in a second position in which the second control member will be in a second predetermined position.
  • a control device including a pin movable with said first lever, said pin when said first lever is in said second position being engaged with said catch.
  • a control device including a slot formedin said first lever, said pin being located within said slot, a block having a face, a guide groove formed in the face of said block, and a head portion on said pin, said head portion being engaged within said guide groove.
  • a control device including a second lever, said second lever in use, being operatively connected to said first control member, said second lever when said first lever is in said first position being operable to move the pin along a first portion of said guide groove and resilient means operable when the pin reaches the end of said first portion of the groove, to effect movement of the pin along a second portion of the guide groove into engagement with said catch, said pin during this movement being disengaged from said second lever.
  • a control device including a third portion of said guide groove interconnecting the free ends of said first and second portions thereof, said pin moving along said third portion of the guide groove when said catch is released.
  • a control device in which said second lever is provided with a latch at its end for engagement with said pin, said latch pivoting to allow the second lever to return to its initial position when the pin is released by the catch.
  • a control device as claimed in claim 6 in which said catch is spring loaded to a position out of the path of said pin, electromagnetic means being provided to urge the catch into a position to engage said pin.
  • a control device as claimed in claim 7 including a further catch operable to prevent said pin moving to the start of said first portion of the guide groove when said first mentioned catch is out of the path of said pin.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • High-Pressure Fuel Injection Pump Control (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
US00204609A 1970-12-11 1971-12-03 Control device for use with a fuel injection pump Expired - Lifetime US3774467A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5891970A GB1372178A (en) 1970-12-11 1970-12-11 Control device for use with a fuel injection pump

Publications (1)

Publication Number Publication Date
US3774467A true US3774467A (en) 1973-11-27

Family

ID=10482693

Family Applications (1)

Application Number Title Priority Date Filing Date
US00204609A Expired - Lifetime US3774467A (en) 1970-12-11 1971-12-03 Control device for use with a fuel injection pump

Country Status (5)

Country Link
US (1) US3774467A (enrdf_load_stackoverflow)
JP (1) JPS513848B1 (enrdf_load_stackoverflow)
FR (1) FR2118008B1 (enrdf_load_stackoverflow)
GB (1) GB1372178A (enrdf_load_stackoverflow)
IT (1) IT945347B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE49987E1 (en) 2013-11-22 2024-05-28 Invensas Llc Multiple plated via arrays of different wire heights on a same substrate

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1541420A (en) * 1975-04-19 1979-02-28 Simms Group Res Dev Ltd Stop control device for disel vehicles

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3101821A (en) * 1958-04-09 1963-08-27 Mcculloch Corp Motor control
US3263516A (en) * 1965-09-10 1966-08-02 Dow Chemical Co Mechanical linkage for generating a curved surface
US3273679A (en) * 1966-09-20 Automatic controls for fluid pressure clutch operator
US3392526A (en) * 1966-10-11 1968-07-16 Int Harvester Co Control mechanism
US3402792A (en) * 1967-01-03 1968-09-24 Neway Equipment Co Brake actuating apparatus
US3456523A (en) * 1967-09-13 1969-07-22 Adamovske Strojirny Np Mechanical control structure
US3496795A (en) * 1968-08-08 1970-02-24 Frank Dinnendahl Pantograph
US3679809A (en) * 1970-12-02 1972-07-25 Pic Design Corp Pivot linkage assembly kit

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273679A (en) * 1966-09-20 Automatic controls for fluid pressure clutch operator
US3101821A (en) * 1958-04-09 1963-08-27 Mcculloch Corp Motor control
US3263516A (en) * 1965-09-10 1966-08-02 Dow Chemical Co Mechanical linkage for generating a curved surface
US3392526A (en) * 1966-10-11 1968-07-16 Int Harvester Co Control mechanism
US3402792A (en) * 1967-01-03 1968-09-24 Neway Equipment Co Brake actuating apparatus
US3456523A (en) * 1967-09-13 1969-07-22 Adamovske Strojirny Np Mechanical control structure
US3496795A (en) * 1968-08-08 1970-02-24 Frank Dinnendahl Pantograph
US3679809A (en) * 1970-12-02 1972-07-25 Pic Design Corp Pivot linkage assembly kit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE49987E1 (en) 2013-11-22 2024-05-28 Invensas Llc Multiple plated via arrays of different wire heights on a same substrate

Also Published As

Publication number Publication date
FR2118008A1 (enrdf_load_stackoverflow) 1972-07-28
IT945347B (it) 1973-05-10
JPS513848B1 (enrdf_load_stackoverflow) 1976-02-06
GB1372178A (en) 1974-10-30
DE2160984B2 (de) 1975-08-14
FR2118008B1 (enrdf_load_stackoverflow) 1974-08-23
DE2160984A1 (de) 1972-06-22

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