GB1369973A - Vacuum servo-motor - Google Patents

Vacuum servo-motor

Info

Publication number
GB1369973A
GB1369973A GB368573A GB368573A GB1369973A GB 1369973 A GB1369973 A GB 1369973A GB 368573 A GB368573 A GB 368573A GB 368573 A GB368573 A GB 368573A GB 1369973 A GB1369973 A GB 1369973A
Authority
GB
United Kingdom
Prior art keywords
plates
piston
chamber
vacuum
jan
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
GB368573A
Other languages
English (en)
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.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries 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 Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Publication of GB1369973A publication Critical patent/GB1369973A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
    • F15B9/12—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor in which both the controlling element and the servomotor control the same member influencing a fluid passage and are connected to that member by means of a differential gearing
    • 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
    • B60T13/52—Vacuum systems indirect, i.e. vacuum booster units
    • 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
    • B60T13/52—Vacuum systems indirect, i.e. vacuum booster units
    • B60T13/569—Vacuum systems indirect, i.e. vacuum booster units characterised by piston details, e.g. construction, mounting of diaphragm

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Braking Systems And Boosters (AREA)
  • Details Of Valves (AREA)
  • Fluid-Driven Valves (AREA)
  • Actuator (AREA)
GB368573A 1972-01-29 1973-01-24 Vacuum servo-motor Expired GB1369973A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47010810A JPS4878379A (OSRAM) 1972-01-29 1972-01-29

Publications (1)

Publication Number Publication Date
GB1369973A true GB1369973A (en) 1974-10-09

Family

ID=11760688

Family Applications (1)

Application Number Title Priority Date Filing Date
GB368573A Expired GB1369973A (en) 1972-01-29 1973-01-24 Vacuum servo-motor

Country Status (5)

Country Link
US (1) US3838628A (OSRAM)
JP (1) JPS4878379A (OSRAM)
BR (1) BR7300667D0 (OSRAM)
DE (1) DE2303414A1 (OSRAM)
GB (1) GB1369973A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2425966A1 (fr) * 1978-05-20 1979-12-14 Teves Gmbh Alfred Amplificateur de freinage a depression

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51149470A (en) * 1975-06-17 1976-12-22 Aisin Seiki Co Ltd Brake booster for automobile use operated with 2 kinds of fluid pres sure
US4200001A (en) * 1977-07-05 1980-04-29 The Bendix Corporation Valve travel mechanism
GB2225072B (en) * 1988-10-22 1992-07-08 Teves Gmbh Alfred Vacuum brake booster for automotive vehicles

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2989033A (en) * 1958-08-08 1961-06-20 Kelsey Hayes Co Booster motor mechanism
US2980068A (en) * 1958-09-10 1961-04-18 Kelsey Hayes Co Motor mechanism
US2949892A (en) * 1959-04-30 1960-08-23 Kelsey Hayes Co Fluid pressure motor mechanism
US3316816A (en) * 1965-03-30 1967-05-02 Girling Ltd Servo motors for vehicle brake systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2425966A1 (fr) * 1978-05-20 1979-12-14 Teves Gmbh Alfred Amplificateur de freinage a depression

Also Published As

Publication number Publication date
DE2303414A1 (de) 1973-08-09
JPS4878379A (OSRAM) 1973-10-20
US3838628A (en) 1974-10-01
BR7300667D0 (pt) 1973-09-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee