CA1090392A - Automotive brake fluid low level warning sensor - Google Patents

Automotive brake fluid low level warning sensor

Info

Publication number
CA1090392A
CA1090392A CA270,726A CA270726A CA1090392A CA 1090392 A CA1090392 A CA 1090392A CA 270726 A CA270726 A CA 270726A CA 1090392 A CA1090392 A CA 1090392A
Authority
CA
Canada
Prior art keywords
piston
brake fluid
switch
indicator
brake
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
CA270,726A
Other languages
English (en)
French (fr)
Inventor
Edward J. Falk
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.)
Wagner Electric Corp
Original Assignee
Wagner Electric 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
Application filed by Wagner Electric Corp filed Critical Wagner Electric Corp
Application granted granted Critical
Publication of CA1090392A publication Critical patent/CA1090392A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
    • G01F23/18—Indicating, recording or alarm devices actuated electrically
    • G01F23/185—Indicating, recording or alarm devices actuated electrically for discrete levels
    • 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
    • B60T17/225—Devices for monitoring or checking brake systems; Signal devices brake fluid level indicators

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Braking Arrangements (AREA)
CA270,726A 1976-02-17 1977-01-31 Automotive brake fluid low level warning sensor Expired CA1090392A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/658,771 US4055957A (en) 1976-02-17 1976-02-17 Automotive brake fluid low-level warning sensor
US658,771 1976-02-17

Publications (1)

Publication Number Publication Date
CA1090392A true CA1090392A (en) 1980-11-25

Family

ID=24642618

Family Applications (1)

Application Number Title Priority Date Filing Date
CA270,726A Expired CA1090392A (en) 1976-02-17 1977-01-31 Automotive brake fluid low level warning sensor

Country Status (9)

Country Link
US (1) US4055957A (enExample)
JP (1) JPS52100061A (enExample)
AR (1) AR212525A1 (enExample)
CA (1) CA1090392A (enExample)
DE (2) DE7704684U1 (enExample)
ES (1) ES456002A1 (enExample)
FR (1) FR2341464A1 (enExample)
GB (1) GB1519114A (enExample)
IT (1) IT1083188B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2753585A1 (de) * 1977-12-01 1979-06-07 Bosch Gmbh Robert Hydraulischer bremsverstaerker
US6499167B1 (en) 1995-08-04 2002-12-31 Hill-Rom Services, Inc. Mattress section support

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2811600A (en) * 1955-10-10 1957-10-29 Alexander D Storck Brake fluid-level warning device for a master cylinder
GB1252623A (enExample) * 1968-02-17 1971-11-10
US3463554A (en) * 1968-08-15 1969-08-26 Wagner Electric Corp Warning device
GB1312614A (en) * 1969-07-01 1973-04-04 Girling Ltd Dual hydraulic braking systems for vehicles
US3606487A (en) * 1969-11-04 1971-09-20 Wagner Electric Corp Control valve
GB1456205A (en) * 1972-11-30 1976-11-24 Girling Ltd Power assisted master cylinder assemblies
JPS5340669B2 (enExample) * 1973-06-21 1978-10-28
FR2235823A1 (en) * 1973-07-05 1975-01-31 Renault Fault indicator for double circuit vehicle brakes - loss of press. in cylinder chambers allows press. switches to close

Also Published As

Publication number Publication date
IT1083188B (it) 1985-05-21
US4055957A (en) 1977-11-01
ES456002A1 (es) 1978-01-16
DE7704684U1 (de) 1977-08-04
FR2341464B1 (enExample) 1979-09-21
GB1519114A (en) 1978-07-26
JPS52100061A (en) 1977-08-22
DE2706588C3 (de) 1979-11-29
DE2706588B2 (de) 1979-04-05
AR212525A1 (es) 1978-07-31
DE2706588A1 (de) 1977-08-25
FR2341464A1 (fr) 1977-09-16

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Legal Events

Date Code Title Description
MKEX Expiry