GB1147459A - Speed-control system for road traffic - Google Patents

Speed-control system for road traffic

Info

Publication number
GB1147459A
GB1147459A GB4939665A GB4939665A GB1147459A GB 1147459 A GB1147459 A GB 1147459A GB 4939665 A GB4939665 A GB 4939665A GB 4939665 A GB4939665 A GB 4939665A GB 1147459 A GB1147459 A GB 1147459A
Authority
GB
United Kingdom
Prior art keywords
piston
solenoid
vehicle
speed
contacts
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
GB4939665A
Inventor
Benjamin Lowe
Peter Arthur Lowe
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB4939665A priority Critical patent/GB1147459A/en
Publication of GB1147459A publication Critical patent/GB1147459A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D13/00—Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/24—Steering controls, i.e. means for initiating a change of direction of the vehicle not vehicle-mounted
    • B62D1/26—Steering controls, i.e. means for initiating a change of direction of the vehicle not vehicle-mounted mechanical, e.g. by a non-load-bearing guide
    • B62D1/265—Steering controls, i.e. means for initiating a change of direction of the vehicle not vehicle-mounted mechanical, e.g. by a non-load-bearing guide especially adapted for guiding road vehicles carrying loads or passengers, e.g. in urban networks for public transportation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • 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
    • F02D2700/0241—Engines without compressor by means of one throttle device depending on another parameter
    • 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
    • F02D2700/07—Automatic control systems according to one of the preceding groups in combination with control of the mechanism receiving the engine power

Abstract

1,147,459. Controlling vehicles. B. LOWE, and P. A. LOWE. 11 Oct., 1966 [20 Nov., 1965], No. 49396/65. Heading B7H. [Also in Division H4] In a speed-control system for road traffic, each vehicle is provided with means which in response to the reception of a specific radio signal, automatically reduces the speed of the vehicle to a predetermined maximum value by applying the brakes and simultaneously reducing the power output of the engine. A pump 1 is driven whenever the vehicle is in motion, the suction side of the pump being connected to a fluid reservoir 3 and the delivery side to a master cylinder 5 containing a free piston 6. Piston 6 is forced back by the fluid pressure until a rotary outlet valve 7 controlling return line 9 is exposed so that no further movement of the piston occurs. A governor 10 is driven with the pump 1 and controls a rocking lever 12 carrying a switch contact 13 co-operating with a contact 17 mounted on the armature 14 of a solenoid 15, the lever 12 being pivoted on the armature 14. The valve 7 is controlled by a second solenoid 20. Under normal conditions of driving the vehicle contacts 13, 17 remain open but when a predetermined radio signal is received at 22 solenoid 15 is energized causing an incremental retraction of the armature, the reception of further different signals causing corresponding retractions until the contacts 13, 17 are closed. This energizes solenoid 20 to close valve 7 so that pressure on piston 6 builds up to a maximum as determined by relief valve 23 and operates a piston 27 in a slave cylinder 26. The piston 27 is coupled to the accelerator pedal 29 and after a predetermined travel uncovers a port 30 allowing pressure fluid to be applied via pipe 31 to the braking system. The radio signals are transmitted from a plurality of stations situated at regular intervals along the road, each receiver providing a signal to operate a warning device immediately it comes within effective range of a transmitter and the driver being expected to reduce speed accordingly. When the receiver reaches the immediate vicinity of a transmitter the solenoid 15 is energized but if the driver has already responded to the warning, the contacts 13, 17 will remain open due to the lowered position of the sleeve 11. Otherwise the speed will be reduced as described until the response of the governor allows contacts 13, 17 to separate. Different signals can cause the vehicle speeds to be reduced step by step until, if desired, all traffic is stopped.
GB4939665A 1965-11-20 1965-11-20 Speed-control system for road traffic Expired GB1147459A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4939665A GB1147459A (en) 1965-11-20 1965-11-20 Speed-control system for road traffic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4939665A GB1147459A (en) 1965-11-20 1965-11-20 Speed-control system for road traffic

Publications (1)

Publication Number Publication Date
GB1147459A true GB1147459A (en) 1969-04-02

Family

ID=10452212

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4939665A Expired GB1147459A (en) 1965-11-20 1965-11-20 Speed-control system for road traffic

Country Status (1)

Country Link
GB (1) GB1147459A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985195A (en) * 1973-09-20 1976-10-12 Regie Nationale Des Usines Renault Vehicle speed-limiting system
GB2334700A (en) * 1998-01-26 1999-09-01 Racelogic Ltd A vehicle speed controller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985195A (en) * 1973-09-20 1976-10-12 Regie Nationale Des Usines Renault Vehicle speed-limiting system
GB2334700A (en) * 1998-01-26 1999-09-01 Racelogic Ltd A vehicle speed controller

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