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GB308680A - Improvements in and connected with vacuum brakes for motor vehicles - Google Patents

Improvements in and connected with vacuum brakes for motor vehicles

Info

Publication number
GB308680A
GB308680A GB3463/29A GB346329A GB308680A GB 308680 A GB308680 A GB 308680A GB 3463/29 A GB3463/29 A GB 3463/29A GB 346329 A GB346329 A GB 346329A GB 308680 A GB308680 A GB 308680A
Authority
GB
United Kingdom
Prior art keywords
pedal
fuel
pumps
brakes
cylinders
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
GB3463/29A
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.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
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 Daimler Benz AG filed Critical Daimler Benz AG
Publication of GB308680A publication Critical patent/GB308680A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
    • B60T13/46—Vacuum systems
    • B60T13/48—Vacuum systems direct, i.e. brakes applied directly by vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

308,680. Daimler - Benz Akt. - Ges. March 26, 1928, [Convention date]. Fluid-pressure.-Relates to the actuation of brakes by the vacuum produced by motor vehicle engines and particularly those using crude oil, and having an ignition chamber or direct fuel injection. Imperfect combustion and smoke emission have occurred during braking, owing to insufficient air supply, and these defects are remedied by connecting the vacuum-brake apparatus with some only of the engine cylinders the supply to which or a part of them, during braking, is cut off. A six-cylinder engine a is supplied with fuel by a pump b having six plungers, one to each cylinder. The fuel enters at e and is delivered at f, and the pump is controlled by a rack or bar c connected, through link d, with the accelerator. The induction manifold is divided into two parts g, h of which g is provided with a throttle i connected to a pedal o through linkage k, l, m. The pedal o controls through a link p the brake cylinder q which actuates the brakes through links r, s. To apply the brakes the pedal o has to be depressed, but before this can be done the foot has to depress a pedal m which closes the throttle i. This produces a vacuum in space g before the brake is brought into action by pedal o which, when depressed, closes pipe t to the atmosphere. The fuel pumps of the cylinders communicating with the space h are set for idle running prior to or simultaneously with the actuation of the brakes, but the delivery of the pumps communicating with space g is cut off entirely. The control means for cutting out the fuel pumps may be connected with the brake control gear and may act stepwise, first setting all pumps for idle running and then on further movement cutting out other pumps, a part of the linkage beink arrested. Some only of the cylinders may be supplied during idle running. The cylinders from which the fuel is cut off may be connected in groups with the brake apparatus.
GB3463/29A 1928-03-26 1929-02-01 Improvements in and connected with vacuum brakes for motor vehicles Expired GB308680A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE308680X 1928-03-26

Publications (1)

Publication Number Publication Date
GB308680A true GB308680A (en) 1930-05-01

Family

ID=6121782

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3463/29A Expired GB308680A (en) 1928-03-26 1929-02-01 Improvements in and connected with vacuum brakes for motor vehicles

Country Status (1)

Country Link
GB (1) GB308680A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5950595A (en) * 1996-12-03 1999-09-14 Toyota Jidosha Kabushiki Kaisha Method and apparatus for controlling vacuum pressure in internal combustion engine
US5950594A (en) * 1996-09-17 1999-09-14 Toyota Jidosha Kabushiki Kaisha Apparatus for controlling fuel injection in stratified charge combustion engine
US5964250A (en) * 1997-12-01 1999-10-12 General Electric Company Low leakage, articulating fluid transfer tube
US6017100A (en) * 1996-12-10 2000-01-25 Toyota Jidosha Kabushiki Kaisha Apparatus for controlling vacuum pressure in internal combustion engine
US6095116A (en) * 1996-09-30 2000-08-01 Toyota Jidosha Kabushiki Kaisha Apparatus for controlling negative pressure in internal combustion engine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5950594A (en) * 1996-09-17 1999-09-14 Toyota Jidosha Kabushiki Kaisha Apparatus for controlling fuel injection in stratified charge combustion engine
US6095116A (en) * 1996-09-30 2000-08-01 Toyota Jidosha Kabushiki Kaisha Apparatus for controlling negative pressure in internal combustion engine
US5950595A (en) * 1996-12-03 1999-09-14 Toyota Jidosha Kabushiki Kaisha Method and apparatus for controlling vacuum pressure in internal combustion engine
US6017100A (en) * 1996-12-10 2000-01-25 Toyota Jidosha Kabushiki Kaisha Apparatus for controlling vacuum pressure in internal combustion engine
US5964250A (en) * 1997-12-01 1999-10-12 General Electric Company Low leakage, articulating fluid transfer tube

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