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GB1363767A - Speed governors for internal combustion engines - Google Patents

Speed governors for internal combustion engines

Info

Publication number
GB1363767A
GB1363767A GB5255871A GB5255871A GB1363767A GB 1363767 A GB1363767 A GB 1363767A GB 5255871 A GB5255871 A GB 5255871A GB 5255871 A GB5255871 A GB 5255871A GB 1363767 A GB1363767 A GB 1363767A
Authority
GB
United Kingdom
Prior art keywords
engine
pulses
rotary
generator
load
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
Application number
GB5255871A
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 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
Publication of GB1363767A publication Critical patent/GB1363767A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/0205—Circuit arrangements for generating control signals using an auxiliary engine speed control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
    • F02D31/001—Electric control of rotation speed
    • F02D31/002—Electric control of rotation speed controlling air supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • 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
    • F02D2700/0217—Controlling by changing the air or fuel supply for mixture compressing engines using liquid fuel
    • F02D2700/0225—Control of air or mixture supply
    • F02D2700/0228—Engines without compressor
    • F02D2700/023—Engines without compressor by means of one throttle device
    • F02D2700/0238—Engines without compressor by means of one throttle device depending on the number of revolutions of a centrifugal governor

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Control Of Eletrric Generators (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

1363767 Automatic speed control ROBERT BOSCH GmbH 12 Nov 1971 [13 Nov 1970] 52558/71 Heading G3R Pulses are produced in synchronism with the rotation of the crank-shaft of an internal combustion engine and form the input to a speed regulating circuit which controls the energization of a rotary armature electromagnetic device connected to the engine throttle valve. As shown, a winding 49 associated with the engine ignition generator supplies power lines 55, 56 over rectifiers 51, 52. The power is regulated and smoothed by Zener diode 53 and capacitor 54. The winding 49 also supplies pulses to a differentiating pulse shaper 60 and thence to a monostable multi-vibrator 70 producing square pulses of a predetermined length at the input frequency. A filter 80 time-averages the pulses to produce a frequency-proportional direct voltage which is compared with a reference voltage fixed by resistors 94, 95. Adjustment to a desired level is achieved by setting a potentiometer 97 in regulator circuit 90. An operational amplifier 91 with a P I characteristic controls transistors 101, 102 to adjust the current in a coil 34 which forms part of a rotary armature device, Figs.2-5 (not shown). The armature has a varying airgap and its rotary position determines the setting of the throttle valve of the engine. The load driven by the engine may be an A.C. or D.C. generator, a water pump, a power saw, or a rotary hoe. With a generator as load, a faster response to load changes may be achieved by applying a differentiated current signal to terminal 98 of regulator 90 using a current transformer, Fig. 7 (not shown).
GB5255871A 1970-11-13 1971-11-12 Speed governors for internal combustion engines Expired GB1363767A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702055874 DE2055874A1 (en) 1970-11-13 1970-11-13 Speed control device for an internal combustion engine

Publications (1)

Publication Number Publication Date
GB1363767A true GB1363767A (en) 1974-08-14

Family

ID=5788006

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5255871A Expired GB1363767A (en) 1970-11-13 1971-11-12 Speed governors for internal combustion engines

Country Status (6)

Country Link
US (1) US3800755A (en)
AT (1) AT313641B (en)
DE (1) DE2055874A1 (en)
FR (1) FR2114367A5 (en)
GB (1) GB1363767A (en)
IT (1) IT940563B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10037618B2 (en) 2009-09-15 2018-07-31 Metail Limited System and method for image processing and generating a body model

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2462562A1 (en) * 1979-07-26 1981-02-13 Motobecane Ateliers Electronic IC engine governor - uses compensation at reference input to prevent hunting and alternator to generate frequency proportional to speed
JPS56101026A (en) * 1979-12-31 1981-08-13 Heinzmann Gmbh Co Kg Fritz Regulator for number of revolution of internal combustion engine
DE2952786C3 (en) * 1979-12-31 1993-11-18 Heinzmann Gmbh Co Kg Fritz Electromechanical actuator for adjusting the angle of rotation of a throttle valve
DE3677712D1 (en) * 1985-10-21 1991-04-04 Honda Motor Co Ltd METHOD FOR CONTROLLING THE COIL CURRENT OF A SOLENOID VALVE THAT CONTROLLES THE FLOW RATE OF AN INTERNAL COMBUSTION ENGINE.
DE3618982A1 (en) * 1986-06-05 1987-12-10 Bosch Gmbh Robert CONTROL DEVICE FOR A THROTTLE VALVE
US4884541A (en) * 1989-01-12 1989-12-05 Tecumseh Products Company Speed governor for small engines
GB8912537D0 (en) * 1989-06-01 1989-07-19 Lucas Ind Plc Throttle actuator and control system
DE3937846A1 (en) * 1989-11-14 1991-05-16 Wolf Geraete Gmbh Vertrieb SPEED CONTROL ARRANGEMENT FOR INTERNAL COMBUSTION ENGINES
US5459405A (en) * 1991-05-22 1995-10-17 Wolff Controls Corp. Method and apparatus for sensing proximity of an object using near-field effects
US5235943A (en) * 1992-06-12 1993-08-17 Briggs & Stratton Corporation Starting system for internal combustion engines
US5287835A (en) * 1992-07-10 1994-02-22 Briggs & Stratton Corporation Electronic governor with fast response time
US5984232A (en) * 1996-09-25 1999-11-16 Delorio, Jr.; Ralph Flexible shaft driven rotary control valve
DE10229238B4 (en) * 2002-06-28 2021-09-09 Robert Bosch Gmbh Method and device for regulating the position of an actuating element

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2364656A (en) * 1941-10-23 1944-12-12 Magnetic Device Inc Magnetic actuator
US3058039A (en) * 1957-06-24 1962-10-09 Gen Controls Co Laminated magnetic structure, and process for making same
US3157807A (en) * 1962-05-22 1964-11-17 Lockheed Aircraft Corp Speed control for magnetic clutch
US3221191A (en) * 1962-09-12 1965-11-30 Daco Instr Company Inc Angular displacement solenoid
US3207950A (en) * 1962-10-15 1965-09-21 Eaton Mfg Co Control for electrical coupling apparatus
DE1220179B (en) * 1963-10-17 1966-06-30 Bosch Gmbh Robert Arrangement for the limit speed measurement of a shaft
US3249098A (en) * 1963-12-02 1966-05-03 Bosch Arma Corp Electrical governor system
DE1210687B (en) * 1963-12-19 1966-02-10 Bosch Gmbh Robert Control device for an automatically electro-magnetically engaged and disengageable starting clutch, especially for motor vehicles
US3252022A (en) * 1964-03-05 1966-05-17 Eaton Mfg Co Control for electrical coupling apparatus
US3346771A (en) * 1964-10-27 1967-10-10 Robert S Sutton Digital electronic speed control governor utilizing pulse width comparison
US3374374A (en) * 1967-04-26 1968-03-19 Eaton Yale & Towne Controlled-velocity drive
US3560854A (en) * 1967-10-16 1971-02-02 John I Moss Inc Pulse actuated speed responsive system
US3613820A (en) * 1969-08-28 1971-10-19 Ford Motor Co Electronic circuitry for vehicle speed responsive system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10037618B2 (en) 2009-09-15 2018-07-31 Metail Limited System and method for image processing and generating a body model

Also Published As

Publication number Publication date
AT313641B (en) 1974-02-25
IT940563B (en) 1973-02-20
DE2055874A1 (en) 1972-05-18
US3800755A (en) 1974-04-02
FR2114367A5 (en) 1972-06-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees