GB1486821A - Speed responsive systems - Google Patents

Speed responsive systems

Info

Publication number
GB1486821A
GB1486821A GB215674A GB215674A GB1486821A GB 1486821 A GB1486821 A GB 1486821A GB 215674 A GB215674 A GB 215674A GB 215674 A GB215674 A GB 215674A GB 1486821 A GB1486821 A GB 1486821A
Authority
GB
United Kingdom
Prior art keywords
comparator
speed
pulses
signal
engine
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
GB215674A
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.)
Associated Engineering Ltd
Original Assignee
Associated Engineering 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 Associated Engineering Ltd filed Critical Associated Engineering Ltd
Priority to GB215674A priority Critical patent/GB1486821A/en
Priority to US05/540,540 priority patent/US3983954A/en
Priority to IE58/75A priority patent/IE40718B1/en
Priority to IE173/79A priority patent/IE40719B1/en
Priority to DE19752501297 priority patent/DE2501297A1/en
Priority to LU71652A priority patent/LU71652A1/xx
Priority to DK9575AA priority patent/DK140883B/en
Priority to IT12413/75A priority patent/IT1028850B/en
Priority to SE7500459A priority patent/SE397588B/en
Priority to JP50007153A priority patent/JPS50106089A/ja
Priority to BE152479A priority patent/BE824507A/en
Priority to NL7500573A priority patent/NL7500573A/en
Priority to FR7501523A priority patent/FR2258657B1/fr
Priority to US05/600,629 priority patent/US4010674A/en
Publication of GB1486821A publication Critical patent/GB1486821A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
    • B60K31/06—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including fluid pressure actuated servomechanism in which the vehicle velocity affecting element is actuated by fluid pressure
    • B60K31/10—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including fluid pressure actuated servomechanism in which the vehicle velocity affecting element is actuated by fluid pressure and means for comparing one electrical quantity, e.g. voltage, pulse, waveform, flux, or the like, with another quantity of a like kind, which comparison means is involved in the development of a pressure which is fed into the controlling means
    • B60K31/102—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including fluid pressure actuated servomechanism in which the vehicle velocity affecting element is actuated by fluid pressure and means for comparing one electrical quantity, e.g. voltage, pulse, waveform, flux, or the like, with another quantity of a like kind, which comparison means is involved in the development of a pressure which is fed into the controlling means where at least one electrical quantity is set by the vehicle operator
    • B60K31/105—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including fluid pressure actuated servomechanism in which the vehicle velocity affecting element is actuated by fluid pressure and means for comparing one electrical quantity, e.g. voltage, pulse, waveform, flux, or the like, with another quantity of a like kind, which comparison means is involved in the development of a pressure which is fed into the controlling means where at least one electrical quantity is set by the vehicle operator in a memory, e.g. a capacitor
    • 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
    • B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
    • B60K31/06—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including fluid pressure actuated servomechanism in which the vehicle velocity affecting element is actuated by fluid pressure
    • B60K31/10—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including fluid pressure actuated servomechanism in which the vehicle velocity affecting element is actuated by fluid pressure and means for comparing one electrical quantity, e.g. voltage, pulse, waveform, flux, or the like, with another quantity of a like kind, which comparison means is involved in the development of a pressure which is fed into the controlling means
    • B60K31/102—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including fluid pressure actuated servomechanism in which the vehicle velocity affecting element is actuated by fluid pressure and means for comparing one electrical quantity, e.g. voltage, pulse, waveform, flux, or the like, with another quantity of a like kind, which comparison means is involved in the development of a pressure which is fed into the controlling means where at least one electrical quantity is set by the vehicle operator
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Controls For Constant Speed Travelling (AREA)

Abstract

1486821 Automatic speed control ASSOCIATED ENG Ltd 13 Jan 1975 [17 Jan 1974 4 March 1974] 02156/74 and 9699/74 Heading G3R A speed-responsive system includes a first comparator receiving voltage signals representing the actual speed of a rotating member, the rate of change of the actual speed, and a reference speed. The output of the comparator is supplied to a second comparator, together with a constant frequency periodic voltage signal so as to produce a train of pulses of width dependent on the values of the inputs to the first comparator. As shown in Fig. 3, a motor vehicle engine 1 drives a toothed disc 3, causing an inductive transducer 4 to produce pulses 5 at a frequency proportional to engine speed. The pulses are converted to a voltage signal V s which is fed together with its time derivative to a first comparator 9, which also receives a reference signal derived either from a potentiometer 17 or from a memory circuit 14 which holds a signal supplied from the frequency to voltage converter circuit 6. The resulting error signal is amplified and fed to a second comparator 19 receiving a constant frequency ramp signal from a generator 20. The output of comparator 19 takes the form of constant frequency pulses of width dependent on the value of the error signal. These pulses are fed to an actuator D having an electromagnetic valve periodically connecting a bellows chamber with the inlet manifold of the engine 1 so as to effectively integrate the pulses and mechanically control the setting of the engine throttle. In use, the vehicle is accelerated under driver control until a desired speed is reached. A switch 13 is then opened so that the desired speed forms the reference signal for comparator 9, and automatic control by comparator 19 takes over to maintain the speed at the desired value. The actuator D is described and claimed in Specification 1486822, see Division F1.
GB215674A 1974-01-17 1974-01-17 Speed responsive systems Expired GB1486821A (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
GB215674A GB1486821A (en) 1974-01-17 1974-01-17 Speed responsive systems
US05/540,540 US3983954A (en) 1974-01-17 1975-01-13 Speed responsive systems
IE58/75A IE40718B1 (en) 1974-01-17 1975-01-13 Speed responsive systems
IE173/79A IE40719B1 (en) 1974-01-17 1975-01-13 Actuator devices
DE19752501297 DE2501297A1 (en) 1974-01-17 1975-01-15 SPEED-RESPONDING SYSTEMS AND ACTUATOR DEVICE
LU71652A LU71652A1 (en) 1974-01-17 1975-01-15
DK9575AA DK140883B (en) 1974-01-17 1975-01-16 Activation means for automatic control of a cactivation means for automatic control of a vehicle's speed. vehicle speed.
IT12413/75A IT1028850B (en) 1974-01-17 1975-01-16 SPEED SENSITIVE DEVICE TO MAINTAIN A VEHICLE AT A PRESET SPEED
SE7500459A SE397588B (en) 1974-01-17 1975-01-16 MANOVERDON
JP50007153A JPS50106089A (en) 1974-01-17 1975-01-17
BE152479A BE824507A (en) 1974-01-17 1975-01-17 SPEED RESPONSE SYSTEMS
NL7500573A NL7500573A (en) 1974-01-17 1975-01-17 SPEED RESPONSIVE SYSTEM.
FR7501523A FR2258657B1 (en) 1974-01-17 1975-01-17
US05/600,629 US4010674A (en) 1974-01-17 1975-07-31 Speed responsive systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB215674A GB1486821A (en) 1974-01-17 1974-01-17 Speed responsive systems

Publications (1)

Publication Number Publication Date
GB1486821A true GB1486821A (en) 1977-09-28

Family

ID=9734579

Family Applications (1)

Application Number Title Priority Date Filing Date
GB215674A Expired GB1486821A (en) 1974-01-17 1974-01-17 Speed responsive systems

Country Status (2)

Country Link
BE (1) BE824507A (en)
GB (1) GB1486821A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2355687A1 (en) * 1976-06-24 1978-01-20 Ass Eng Ltd ELECTRONIC SPEED REGULATION DEVICE
JPS5771021A (en) * 1981-07-30 1982-05-01 Nippon Denso Co Ltd Constant-speed run controlling method for car

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2355687A1 (en) * 1976-06-24 1978-01-20 Ass Eng Ltd ELECTRONIC SPEED REGULATION DEVICE
JPS5771021A (en) * 1981-07-30 1982-05-01 Nippon Denso Co Ltd Constant-speed run controlling method for car
JPS6220044B2 (en) * 1981-07-30 1987-05-02 Nippon Denso Co

Also Published As

Publication number Publication date
BE824507A (en) 1975-05-15

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930113