FR446773A - Adjustable pressure relief valve, for automatic direct-acting brakes - Google Patents

Adjustable pressure relief valve, for automatic direct-acting brakes

Info

Publication number
FR446773A
FR446773A FR446773A FR446773DA FR446773A FR 446773 A FR446773 A FR 446773A FR 446773 A FR446773 A FR 446773A FR 446773D A FR446773D A FR 446773DA FR 446773 A FR446773 A FR 446773A
Authority
FR
France
Prior art keywords
relief valve
pressure relief
adjustable pressure
automatic direct
acting brakes
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
FR446773A
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.)
CBS Corp
Original Assignee
Westinghouse 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of FR446773A publication Critical patent/FR446773A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
    • B60T15/02—Application and release valves
    • B60T15/18—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere
    • B60T15/24—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere controlled by three fluid pressures
    • B60T15/30—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere controlled by three fluid pressures with a quick braking action
    • B60T15/302—Railway control or brake valves with evacuation of air to a reservoir, to the atmosphere or to the brake cylinder
    • B60T15/304—Railway control or brake valves with evacuation of air to a reservoir, to the atmosphere or to the brake cylinder with one slide valve
    • 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
    • B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
    • B60T15/02—Application and release valves
    • B60T15/36—Other control devices or valves characterised by definite functions
    • B60T15/46—Other control devices or valves characterised by definite functions for retarding braking action to prevent rear vehicles of a vehicle train overtaking the forward ones

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
FR446773A 1911-12-06 1912-05-14 Adjustable pressure relief valve, for automatic direct-acting brakes Expired FR446773A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE740X 1911-12-06

Publications (1)

Publication Number Publication Date
FR446773A true FR446773A (en) 1912-12-14

Family

ID=84283164

Family Applications (1)

Application Number Title Priority Date Filing Date
FR446773A Expired FR446773A (en) 1911-12-06 1912-05-14 Adjustable pressure relief valve, for automatic direct-acting brakes

Country Status (2)

Country Link
FR (1) FR446773A (en)
NL (1) NL740C (en)

Also Published As

Publication number Publication date
NL740C (en) 1915-07-01

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