CA933255A - Electro-pneumatic relay valve device - Google Patents

Electro-pneumatic relay valve device

Info

Publication number
CA933255A
CA933255A CA101138A CA101138A CA933255A CA 933255 A CA933255 A CA 933255A CA 101138 A CA101138 A CA 101138A CA 101138 A CA101138 A CA 101138A CA 933255 A CA933255 A CA 933255A
Authority
CA
Canada
Prior art keywords
electro
valve device
relay valve
pneumatic relay
pneumatic
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
CA101138A
Other languages
English (en)
Other versions
CA101138S (en
Inventor
M. Hines Claude
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.)
Westinghouse Air Brake Co
Original Assignee
Westinghouse Air Brake Co
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 Westinghouse Air Brake Co filed Critical Westinghouse Air Brake Co
Application granted granted Critical
Publication of CA933255A publication Critical patent/CA933255A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/968—Switches controlled by moving an element forming part of the switch using opto-electronic devices
    • 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
    • B60T13/66—Electrical control in fluid-pressure brake systems
    • B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Magnetically Actuated Valves (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Control Of Position Or Direction (AREA)
  • Braking Systems And Boosters (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
CA101138A 1970-02-16 1970-12-21 Electro-pneumatic relay valve device Expired CA933255A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1181170A 1970-02-16 1970-02-16

Publications (1)

Publication Number Publication Date
CA933255A true CA933255A (en) 1973-09-04

Family

ID=21752073

Family Applications (1)

Application Number Title Priority Date Filing Date
CA101138A Expired CA933255A (en) 1970-02-16 1970-12-21 Electro-pneumatic relay valve device

Country Status (5)

Country Link
US (1) US3624404A (en:Method)
JP (1) JPS5031694B1 (en:Method)
CA (1) CA933255A (en:Method)
FR (1) FR2080997B1 (en:Method)
ZA (1) ZA706266B (en:Method)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976876A (en) * 1972-06-19 1976-08-24 Brocker Dale C Signal control apparatus
US3999074A (en) * 1973-08-02 1976-12-21 Callaghan James M Fiber-optic photoelectric power control device
US4071753A (en) * 1975-03-31 1978-01-31 Gte Laboratories Incorporated Transducer for converting acoustic energy directly into optical energy
US4044856A (en) * 1975-07-25 1977-08-30 General Cable Corporation Lifting equipment having a boom structure and a control mechanism for use therewith using a flexible light guide
US4122337A (en) * 1976-02-26 1978-10-24 Matsushita Electric Industrial Co., Ltd. Pressure-electrical signal conversion means
USRE31579E (en) * 1977-12-29 1984-05-01 Eaton Corporation Shutterless fiber optic switch
US4146856A (en) * 1977-12-29 1979-03-27 Cutler-Hammer, Inc. Shutterless fiber optic switch
US4572948A (en) * 1983-07-15 1986-02-25 Trw Inc. Position indicator employing light guides
US5132531A (en) * 1990-11-07 1992-07-21 Eaton Corporation Translational position sensing apparatus employing rotating element and PSD

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3159750A (en) * 1962-10-01 1964-12-01 Eugene I Kazan Photoelectric pressure transducer
US3208264A (en) * 1963-03-12 1965-09-28 Darrell E Melton Calibratable pressure responsive actuator
US3344667A (en) * 1964-10-09 1967-10-03 Gen Motors Corp Flow monitor
US3390274A (en) * 1964-12-07 1968-06-25 White Avionics Corp Rotating light conductor for instrument reading
US3564264A (en) * 1968-12-19 1971-02-16 Erdco Eng Corp Device for counting particles in a flowing fluid

Also Published As

Publication number Publication date
JPS5031694B1 (en:Method) 1975-10-14
US3624404A (en) 1971-11-30
FR2080997B1 (en:Method) 1974-03-22
ZA706266B (en) 1971-05-27
FR2080997A1 (en:Method) 1971-11-26

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