FR2171647A5 - - Google Patents

Info

Publication number
FR2171647A5
FR2171647A5 FR7204463A FR7204463A FR2171647A5 FR 2171647 A5 FR2171647 A5 FR 2171647A5 FR 7204463 A FR7204463 A FR 7204463A FR 7204463 A FR7204463 A FR 7204463A FR 2171647 A5 FR2171647 A5 FR 2171647A5
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
FR7204463A
Other languages
French (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.)
DBA SA
Original Assignee
DBA SA
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 DBA SA filed Critical DBA SA
Priority to FR7204463A priority Critical patent/FR2171647A5/fr
Priority to GB378573A priority patent/GB1346980A/en
Priority to US00329791A priority patent/US3825706A/en
Priority to DE2306028A priority patent/DE2306028C3/de
Priority to IT7320218A priority patent/IT978966B/it
Priority to SE7301858A priority patent/SE382716B/xx
Priority to JP1576573A priority patent/JPS5547687B2/ja
Application granted granted Critical
Publication of FR2171647A5 publication Critical patent/FR2171647A5/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/38—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by piston and cylinder
    • 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
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • B60T17/226—Devices for monitoring or checking brake systems; Signal devices using devices being responsive to the difference between the fluid pressions in conduits of multiple braking systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
    • G01L7/16—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of pistons

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Measuring Fluid Pressure (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Braking Arrangements (AREA)
FR7204463A 1972-02-10 1972-02-10 Expired FR2171647A5 (xx)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR7204463A FR2171647A5 (xx) 1972-02-10 1972-02-10
GB378573A GB1346980A (en) 1972-02-10 1973-01-25 Fluid-pressure unbalance indicator
US00329791A US3825706A (en) 1972-02-10 1973-02-05 Fluid pressure unbalance indicator with plural pistons
DE2306028A DE2306028C3 (de) 1972-02-10 1973-02-07 Betätigungsvorrichtung für den Schalter einer elektrischen Anzeigevorrichtung zur Anzeige eines Druckungleichgewichts in einer Zweikreisanlage, insbesondere einer Zweikreisbremsanlage eines Kraftfahrzeugs
IT7320218A IT978966B (it) 1972-02-10 1973-02-09 Indicatore di squilibrio di pres sione particolarmente per impian ti di frenatura idraulici a dop pio circuito di automobili
SE7301858A SE382716B (sv) 1972-02-10 1973-02-09 Obalansindikator for fluidumtryck.
JP1576573A JPS5547687B2 (xx) 1972-02-10 1973-02-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7204463A FR2171647A5 (xx) 1972-02-10 1972-02-10

Publications (1)

Publication Number Publication Date
FR2171647A5 true FR2171647A5 (xx) 1973-09-21

Family

ID=9093278

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7204463A Expired FR2171647A5 (xx) 1972-02-10 1972-02-10

Country Status (7)

Country Link
US (1) US3825706A (xx)
JP (1) JPS5547687B2 (xx)
DE (1) DE2306028C3 (xx)
FR (1) FR2171647A5 (xx)
GB (1) GB1346980A (xx)
IT (1) IT978966B (xx)
SE (1) SE382716B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1553224A (en) * 1975-06-12 1979-09-26 Girling Ltd Dual hydraulic braking systems for vehicles
JPS5488822A (en) * 1977-12-27 1979-07-14 Nippon Tokushiyu Gijiyutsu Ken Casting method of spherical graphite cast iron without escaping magnesium * gas
US7097748B2 (en) * 2002-04-23 2006-08-29 University Of Massachusetts Electrolyzer pressure equalization system
CN103223987B (zh) * 2013-05-02 2016-03-30 重庆电子工程职业学院 液压制动灯开关
WO2020067476A1 (ja) * 2018-09-28 2020-04-02 美津濃株式会社 シューズ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2782600A (en) * 1953-05-21 1957-02-26 Orman E Crown Hydraulic brake safety device
GB1009433A (en) * 1961-11-21 1965-11-10 Reginald Thomas Hamilton Improvements relating to hydraulic braking systems
US3411133A (en) * 1965-10-13 1968-11-12 Bendix Corp Master cylinder warning device
DE1961845C3 (de) * 1969-12-10 1978-03-30 Alfred Teves Gmbh, 6000 Frankfurt Warnschalter für hydraulische Anlagen mit zwei voneinander getrennten Druckmediumkreisen
US3634639A (en) * 1970-11-04 1972-01-11 Bendix Corp Brake failure warning device with relatively movable detented contact bars actuatable by different pressure sources

Also Published As

Publication number Publication date
DE2306028C3 (de) 1979-01-25
DE2306028B2 (de) 1978-05-18
US3825706A (en) 1974-07-23
GB1346980A (en) 1974-02-13
SE382716B (sv) 1976-02-09
DE2306028A1 (de) 1973-08-23
IT978966B (it) 1974-09-20
JPS496969A (xx) 1974-01-22
JPS5547687B2 (xx) 1980-12-02

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Legal Events

Date Code Title Description
ST Notification of lapse