FR2275668B1 - - Google Patents

Info

Publication number
FR2275668B1
FR2275668B1 FR7519339A FR7519339A FR2275668B1 FR 2275668 B1 FR2275668 B1 FR 2275668B1 FR 7519339 A FR7519339 A FR 7519339A FR 7519339 A FR7519339 A FR 7519339A FR 2275668 B1 FR2275668 B1 FR 2275668B1
Authority
FR
France
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
FR7519339A
Other languages
French (fr)
Other versions
FR2275668A1 (fr
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.)
Bendix Corp
Original Assignee
Bendix Corp
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 US481433A external-priority patent/US3911681A/en
Priority claimed from US481432A external-priority patent/US3910047A/en
Priority claimed from US05/484,381 external-priority patent/US3937021A/en
Application filed by Bendix Corp filed Critical Bendix Corp
Publication of FR2275668A1 publication Critical patent/FR2275668A1/fr
Application granted granted Critical
Publication of FR2275668B1 publication Critical patent/FR2275668B1/fr
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T11/00Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
    • B60T11/10Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
    • B60T11/16Master control, e.g. master cylinders
    • B60T11/224Master control, e.g. master cylinders with pressure-varying means, e.g. with two stage operation provided by use of different piston diameters including continuous variation from one diameter to another
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T13/00Transmitting 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
    • B60T13/10Transmitting 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
    • B60T13/24Transmitting 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
    • B60T13/241Differential pressure systems
    • B60T13/242The control valve is provided as one unit with the servomotor cylinder
    • B60T13/244Mechanical command of the control valve, hydraulic transmission to the brakes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T13/00Transmitting 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
    • B60T13/10Transmitting 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
    • B60T13/24Transmitting 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
    • B60T13/46Vacuum systems
    • B60T13/52Vacuum systems indirect, i.e. vacuum booster units
    • B60T13/565Vacuum systems indirect, i.e. vacuum booster units characterised by being associated with master cylinders, e.g. integrally formed

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Systems And Boosters (AREA)
FR7519339A 1974-06-20 1975-06-20 Servomoteur d'assistance Granted FR2275668A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US481433A US3911681A (en) 1974-06-20 1974-06-20 Control means for a two-stage servomotor
US481432A US3910047A (en) 1974-06-20 1974-06-20 Two stage servomotor with smooth actuation sequence
US05/484,381 US3937021A (en) 1974-07-01 1974-07-01 Hold off valve for a two stage servomotor

Publications (2)

Publication Number Publication Date
FR2275668A1 FR2275668A1 (fr) 1976-01-16
FR2275668B1 true FR2275668B1 (pt) 1978-02-24

Family

ID=27413569

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7519339A Granted FR2275668A1 (fr) 1974-06-20 1975-06-20 Servomoteur d'assistance

Country Status (4)

Country Link
JP (1) JPS5113072A (pt)
DE (1) DE2526391A1 (pt)
FR (1) FR2275668A1 (pt)
GB (1) GB1502109A (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3972191A (en) * 1975-08-11 1976-08-03 The Bendix Corporation Balanced servomotor valve
US4133178A (en) * 1977-04-18 1979-01-09 General Motors Corporation Quick take-up master cylinder
JPS5482883U (pt) * 1977-11-25 1979-06-12
JPS54142783U (pt) * 1978-03-29 1979-10-03
JPS592667B2 (ja) * 1978-05-31 1984-01-19 トキコ株式会社 気圧式倍力装置
JPS5632151Y2 (pt) * 1978-07-13 1981-07-31
DE3412397A1 (de) * 1984-04-03 1985-10-10 Alfred Teves Gmbh, 6000 Frankfurt Vakuumbetriebener bremskraftverstaerker mit hauptzylinder
AU2002337622A1 (en) * 2002-09-05 2004-03-29 Freni Brembo S.P.A. Vehicle braking system master cylinder
CN107738637B (zh) * 2017-11-15 2024-04-30 山西通盛达机械有限公司 压差滑阀式制动离合集成控制总泵系统
US11535211B2 (en) * 2017-12-31 2022-12-27 ZF Active Safety US Inc. Vehicle brake system and method of detecting piston location of a plunger assembly

Also Published As

Publication number Publication date
FR2275668A1 (fr) 1976-01-16
JPS5113072A (ja) 1976-02-02
DE2526391A1 (de) 1976-01-08
JPS5720181B2 (pt) 1982-04-27
GB1502109A (en) 1978-02-22

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Legal Events

Date Code Title Description
ST Notification of lapse