US3722492A - Apparatus for forcibly closing an engine throttle valve - Google Patents

Apparatus for forcibly closing an engine throttle valve Download PDF

Info

Publication number
US3722492A
US3722492A US00100965A US3722492DA US3722492A US 3722492 A US3722492 A US 3722492A US 00100965 A US00100965 A US 00100965A US 3722492D A US3722492D A US 3722492DA US 3722492 A US3722492 A US 3722492A
Authority
US
United States
Prior art keywords
throttle valve
improvement
disc
operation member
acceleration operation
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
US00100965A
Other languages
English (en)
Inventor
Y Shibata
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.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co 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 Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Application granted granted Critical
Publication of US3722492A publication Critical patent/US3722492A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/30—Controlling members actuated by foot
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2710/00—Control of valve gear, speed or power
    • F01L2710/006—Safety devices therefor
    • 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
    • Y10T74/20528—Foot operated

Definitions

  • the apparatus for forcibly closing the throttle valve is mounted on one side of the throttle valve, and is operated when the throttle valve is not closed and the acceleration operation member is released from operation.
  • the apparatus for forcibly closing the throttle valve comprises an electromagnetic solenoid with a core which is advanced with rotation when the solenoid is energized, there being a first detecting switch which is closed when the acceleration operation member is released from operation and a second detecting switch which is closed when the throttle valve is in its open position, the two switches being interposed in series in an electrical circuit containing the solenoid and an electric source.
  • An object of this invention is to provide an apparatus which in a case such as that above will forcibly close the throttle valve.
  • the throttle valve which is opened and closed by an acceleration operation member, such as an accelerator pedal or the like, is provided within the suction passage of an internal combustion engine, and a forcible valve closing apparatus is provided on one side of the throttle valve for driving the throttle valve to its closing side, said valve closing apparatus being operated when it is detected that the throttle valve is not closed even if the acceleration operation member is released from operation.
  • an acceleration operation member such as an accelerator pedal or the like
  • the forcible valve closing apparatus may comprise an electromagnetic solenoid and a core which is advanced while rotating against the action of a spring when the solenoid is energized.
  • a first detecting switch which is closed when the acceleration operation member is released from its operated condition
  • a second detecting switch which is closed when the throttle valve is in its open position
  • a lost motion mechanism comprising a pin and a slot be interposed between the throttle valve and the acceleration operation member, so that on the occasion where the acceleration operation member or a member such as a wire or the like connected thereto is locked in the condition in which the throttle valve is opened, only the throttle valve can be forcibly closed regardless thereof.
  • FIG. 1 is a diagrammatic illustration of one embodiment according to the invention.
  • FIG. 2 is an enlarged sectional view of a major portion thereof.
  • FIG. 3 is a sectional view taken along the line III-III in FIG. 2.
  • numeral 1 denotes an internal combustion engine
  • numeral 2 denotes a suction opening thereof
  • numeral 3 denotes a suction passage connected to the suction opening 2
  • a throttle valve 4 is pivoted within the passage 3 on a shaft 5 so as to be freely opened and closed.
  • the throttle valve 4 is coupled with a pulley 6 connected to the shaft 5 and is urged by a return spring 7 interposed between the pulley 6 and the outer wall of the suction passage 3 and the valve 4 is connected through the pulley 6 with an accelerator pedal serving as an acceleration operation member through an acceleration wire 8 and a bell crank 9, such that if the pedal 10 is pushed down, the throttle valve 4 is opened against the action of the return spring 7 and if the pedal is released, the throttle valve 4 is closed by the action of the return spring 7.
  • the pulley 6 is not connected directly to the shaft 5 but is connected indirectly to the shaft 5 through a rotary disk 11 fixed to the shaft 5.
  • the pulley 6 is loosely mounted on the disk 11 so as to be rotatable in relation the shaft 5 and the rotary disk 11 is fixedly mounted on the shaft 5.
  • the pulley 6 and shaft 11 are interconnected by a spring 12 applied between respective fixed pins 6a and 11a and the pin 11a of the rotary disk 11 is engaged in a slot 13 in the pulley 6 to constitute a lost motion mechanism.
  • the pulley 6 is rotated in the clockwise direction by the action of the return spring 7 and the left end of the slot 13 pushes the pin 11a to the right, so that the rotary disk 11 is also rotated in the clockwise direction and the throttle valve 4 is closed by the shaft 5.
  • the wire 8 is locked in the condition in which the throttlevalve is opened, as will be further explained hereinafter, and if the rotary disk 11 is forcibly subjected to a rotating force in the clockwise direction by a forcible valve closing apparatus whichwill be mentioned hereinafter, the rotary disk 11 can be rotated thereby only against. the comparatively weak spring 12 and it is not required in this case that the disk 11 be accompanied by the pulley 6, and thus the foregoing rotating force can be comparatively small.
  • the forcible valve closing apparatus is generally denoted by the reference numeral 14 and comprises an electromagnetic solenoid 15 with a core 17 which is advanced with rotation against the action of a return spring 16 when the solenoid 15 is energized, and a rotary disk 18 facing the rotary disk 11 is in spline engagement with the end of the core 17 and is urged forward by a spring 19.
  • the facing surfaces of the rotary disks 11 and 18 are provided with teeth to form a clutch 20.
  • Numeral 21 denotes a spiral groove in the outer surface of the core 17 and numeral 22 denotes a pin cooperating therewith.
  • a first detecting switch 23 which is closed when the acceleration operation member 10 is released from operation and a second detecting switch 24 which is closed when the throttle valve 4 does not return to its closed position, i.e., the valve 4 is retained in its open position.
  • the switches 23 and 24 are interposed in series in an electrical circuit containing the solenoid l5 and an electric source 25 for energizing the solenoid.
  • the first detecting switch 23 comprises a pressure switch operable by a pressure plate a disposed on the front surface of the accelerator pedal 10, and the second detecting switch 24 comprises a switch member operable by a side arm 4a of the throttle valve 4.
  • a switch 27 operable by a brake pedal 26 is also interposed in the circuit, so that the foregoing action is effected only when the pedal 26 is pushed down.
  • the forcible valve closing apparatus is automatically operated to close the valve, so that the danger that the throttle valve remains open can be positively prevented.
  • an improvement comprising first means for forcibly closing said throttle valve, and second means including detecting means to detect when the acceleration operation member is released and the throttle valve remains opened, and means coupling the first and second means to effect operation of the first means when the second means detects release of the acceleration operation member and an open throttle valve.
  • said first means comprises a displaceable and turnable member having an inoperative position and being displaceable to an operative position with rotation to close the throttle valve, and an electromagnet acting on said displaceable and turnable member upon activation of said second means.
  • said second means comprises an electrical circuit containing said electromagnet, an electrical power source therefor, a first switch means which is closed when the throttle valve is open, and a second switch means in series with the first switch means and being closed when the acceleration operation member is released.
  • An improvement as claimed in claim 3 comprising a rotatable shaft supporting said throttle valve, a disc fixedly mounted on said shaft, a pulley loosely mounted for rotation on said disc and coupled to the acceleration operation member for being rotated on said disc by the operation of said acceleration operation member, and a lost motion mechanism coupling said pulley and disc.
  • said lost motion mechanism comprises a spring having one end fixedly connected to the disc and means connected to the other end of the spring and supported for relative travel in a slot provided in said pulley.
  • displaceable and turnable member is a second disc facing the first disc and in spaced relation therewith when said first means is inoperative, said discs being coupled in rotation when the first means is operated.
  • said electromagnet comprises a displaceable core connected to the second disc, said core having a helical slot therein, and a fixed pin engaged in said slot to produce turning of the second disc as the core is displaced.
  • An improvement as claimed in claim 6 comprising a return spring acting on said pulley to return the same to an initial position after the acceleration operation member is released.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
US00100965A 1969-12-26 1970-12-23 Apparatus for forcibly closing an engine throttle valve Expired - Lifetime US3722492A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10428069 1969-12-26

Publications (1)

Publication Number Publication Date
US3722492A true US3722492A (en) 1973-03-27

Family

ID=14376497

Family Applications (1)

Application Number Title Priority Date Filing Date
US00100965A Expired - Lifetime US3722492A (en) 1969-12-26 1970-12-23 Apparatus for forcibly closing an engine throttle valve

Country Status (4)

Country Link
US (1) US3722492A (it)
DE (1) DE2062965A1 (it)
FR (1) FR2074279A5 (it)
GB (1) GB1289397A (it)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802406A (en) * 1971-12-28 1974-04-09 Sibe Fuel feed devices for internal combustion engines
US3898973A (en) * 1972-05-25 1975-08-12 Peugeot Device for controlling the feeding of fuel to an internal combustion engine
US3947073A (en) * 1973-07-23 1976-03-30 Fiat Societa Per Azioni Device for reducing the braking effect of the engine of a motor vehicle equipped with an anti-skid braking system
US3954151A (en) * 1974-04-29 1976-05-04 Klf Patents, Inventions, And Marketing Corporation Limited Safety control for mobile vehicles
US4029073A (en) * 1975-07-14 1977-06-14 James Dey Automatic motor kill system for preventing damage to a heavy equipment motor due to a dirty air filter
US4155418A (en) * 1976-06-03 1979-05-22 Bombardier Limited Snowmobile engine safety cut out system
DE2839467A1 (de) * 1978-09-11 1980-03-27 Vdo Schindling Einrichtung zur uebertragung der stellung eines die fahrgeschwindigkeit eines kraftfahrzeugs steuernden, durch den fahrzeugfuehrer betaetigbaren steuerelements
WO1981000696A1 (en) * 1979-09-14 1981-03-19 Towmotor Corp Vehicle brake and engine interlock
US4295540A (en) * 1979-09-14 1981-10-20 Towmotor Corporation Vehicle brake and engine interlock
DE3631200A1 (de) * 1986-09-13 1988-03-24 Bosch Gmbh Robert Einrichtung zur steuerung der leistung einer brennkraftmaschine in einem kraftfahrzeug
US5448029A (en) * 1992-11-20 1995-09-05 Regie Nationale Des Usines Renault Idling engine clutch release control device of an automatic transmission

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3034424A1 (de) * 1980-09-12 1982-04-29 Daimler Benz Ag Sicherheitsschaltung fuer eine elektronische drosselklappenregelung von brennkraftmaschinen
JPH03940A (ja) * 1989-05-29 1991-01-07 Aisin Seiki Co Ltd スロットル制御装置

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802406A (en) * 1971-12-28 1974-04-09 Sibe Fuel feed devices for internal combustion engines
US3898973A (en) * 1972-05-25 1975-08-12 Peugeot Device for controlling the feeding of fuel to an internal combustion engine
US3947073A (en) * 1973-07-23 1976-03-30 Fiat Societa Per Azioni Device for reducing the braking effect of the engine of a motor vehicle equipped with an anti-skid braking system
US3954151A (en) * 1974-04-29 1976-05-04 Klf Patents, Inventions, And Marketing Corporation Limited Safety control for mobile vehicles
US4029073A (en) * 1975-07-14 1977-06-14 James Dey Automatic motor kill system for preventing damage to a heavy equipment motor due to a dirty air filter
US4106469A (en) * 1975-07-14 1978-08-15 James Dey Automatic motor kill system
US4155418A (en) * 1976-06-03 1979-05-22 Bombardier Limited Snowmobile engine safety cut out system
DE2839467A1 (de) * 1978-09-11 1980-03-27 Vdo Schindling Einrichtung zur uebertragung der stellung eines die fahrgeschwindigkeit eines kraftfahrzeugs steuernden, durch den fahrzeugfuehrer betaetigbaren steuerelements
US4305359A (en) * 1978-09-11 1981-12-15 Vdo Adolf Schindling Ag Device for the transmission of the position of a control element, actuatable by the vehicle driver, controlling the traveling speed of a motor vehicle
WO1981000696A1 (en) * 1979-09-14 1981-03-19 Towmotor Corp Vehicle brake and engine interlock
US4295540A (en) * 1979-09-14 1981-10-20 Towmotor Corporation Vehicle brake and engine interlock
DE3631200A1 (de) * 1986-09-13 1988-03-24 Bosch Gmbh Robert Einrichtung zur steuerung der leistung einer brennkraftmaschine in einem kraftfahrzeug
US5448029A (en) * 1992-11-20 1995-09-05 Regie Nationale Des Usines Renault Idling engine clutch release control device of an automatic transmission

Also Published As

Publication number Publication date
GB1289397A (it) 1972-09-20
DE2062965A1 (de) 1971-07-22
FR2074279A5 (it) 1971-10-01

Similar Documents

Publication Publication Date Title
US3722492A (en) Apparatus for forcibly closing an engine throttle valve
US4714864A (en) Throttle control device for vehicles
JPH0227123A (ja) スロットル制御装置
JPH01237330A (ja) スロットルバルブ駆動装置
US4149141A (en) Vehicle light assembly
US3455418A (en) Torque responsive parking brake
GB1199431A (en) Improvements in Valve Operating Mechanism.
US3722491A (en) Apparatus for insuring automatic closure of an engine throttle valve upon release of the accelerator pedal
US2574821A (en) Brake holding device and vacuum switch actuated control circuit therefor
GB2117070A (en) Motor vehicle control arrangement
US2603731A (en) Governor for the automatic control of brakes of motor vehicles or the like
US4972919A (en) Automatic vehicle cruise control system
US4289219A (en) Control system for vehicle brake valve
GB1302928A (it)
US1936619A (en) Engine starter controlling mechanism
EP0077323A1 (en) Control system for vehicle brake valve
US2942680A (en) Door-operated safety device for automotive acceleration systems
US2479975A (en) Control device for turntables
US2948370A (en) Synchronizing means for torque transmitting device
US2571821A (en) Brake control system
US3747719A (en) Engine starting system
US2826284A (en) Combined brake and motor control mechanism
JP3919254B2 (ja) エンジン停止用ソレノイド
KR100397851B1 (ko) 스로틀밸브의 자동 개폐 제어장치
US3366204A (en) Constant throttle devices