GB1281090A - Improvements in and relating to governors - Google Patents

Improvements in and relating to governors

Info

Publication number
GB1281090A
GB1281090A GB5246269A GB5246269A GB1281090A GB 1281090 A GB1281090 A GB 1281090A GB 5246269 A GB5246269 A GB 5246269A GB 5246269 A GB5246269 A GB 5246269A GB 1281090 A GB1281090 A GB 1281090A
Authority
GB
United Kingdom
Prior art keywords
speed
tachogenerator
voltage
produce
feedback
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
GB5246269A
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
Priority claimed from DE1805050A external-priority patent/DE1805050C3/en
Priority claimed from DE19681805047 external-priority patent/DE1805047C3/en
Priority claimed from DE19681807539 external-priority patent/DE1807539C3/en
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB1281090A publication Critical patent/GB1281090A/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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • 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
    • F02D31/007—Electric control of rotation speed controlling fuel supply
    • F02D31/009—Electric control of rotation speed controlling fuel supply for maximum speed control
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/26—Arbitrary function generators
    • G06G7/28—Arbitrary function generators for synthesising functions by piecewise approximation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

1281090 Automatic control of speed ROBERT BOSCH GmbH 27 Oct 1969 [25 Oct 1968 (2) 7 Nov 1968] 52462/69 Heading G3R An electronic governor for an internalcombustion engine, e.g. a diesel, comprises a regulator having an operational amplifier 27 having non-inverting and inverting input terminals, to the latter of which is connected an engine speed signal and a feedback network R which determines the governor characteristics. As shown, a speed reference voltage from a pedal operated potentiometer is applied to the non-inverting input 29 and a voltage from a tachogenerator is applied to a speed input 33. The tachogenerator may produce pulses or an A. C. signal whose frequency is proportional to speed, and this is converted to a D.C. voltage by an RC circuit Figs. 2 and 3 (not shown). In the feedback network shown a capacitor 36 provides a differential component and a potentiometer 38 controls the slope of the speed/fuel supply characteristic. The output of 27 controls the fuel injector by an electrohydraulic system of an electric servomotor, and injector position feedback is provided. A number of alternative embodiments are described Figs. 7... 20 (not shown) for operating governors which control speed throughout the range and/ or the idling and maximum speed characteristics only and include arrangements for producing non- linear features such as a kink in the idling characteristic. This is produced by a diode circuit whose conduction is determined by an adjustable resistor network Fig. 7 (not shown) or an auxiliary voltage source, Fig. 10 (not shown). Also positive feedback may be used to produce a positive slope to the load limiting characteristic, Fig. 11 (not shown) and a further diode circuit used for temperature compensation, Fig. 17 (not shown). In Figs. 21 to 32 (not shown) separate amplifiers are connected in parallel with the main amplifier to produce the required characteristics, and these are further modified by various transistor circuits between the tachogenerator and the amplifier input.
GB5246269A 1968-10-25 1969-10-27 Improvements in and relating to governors Expired GB1281090A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE1805050A DE1805050C3 (en) 1968-10-25 1968-10-25 Electronic control device for an internal combustion engine, in particular a diesel engine
DE19681805047 DE1805047C3 (en) 1968-10-25 Electronic control device for an internal combustion engine
DE19681807539 DE1807539C3 (en) 1968-10-25 1968-11-07 Electronic control device for an internal combustion engine, in particular a diesel engine

Publications (1)

Publication Number Publication Date
GB1281090A true GB1281090A (en) 1972-07-12

Family

ID=27181559

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5246269A Expired GB1281090A (en) 1968-10-25 1969-10-27 Improvements in and relating to governors

Country Status (1)

Country Link
GB (1) GB1281090A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5043647A (en) * 1988-05-05 1991-08-27 Robert Bosch Gmbh System and method for controlling the speed of a vehicle having an internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5043647A (en) * 1988-05-05 1991-08-27 Robert Bosch Gmbh System and method for controlling the speed of a vehicle having an internal combustion engine

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee