FR646902A - Gradual release valve for automatic compressed air brakes - Google Patents

Gradual release valve for automatic compressed air brakes

Info

Publication number
FR646902A
FR646902A FR646902DA FR646902A FR 646902 A FR646902 A FR 646902A FR 646902D A FR646902D A FR 646902DA FR 646902 A FR646902 A FR 646902A
Authority
FR
France
Prior art keywords
compressed air
release valve
gradual release
air brakes
automatic compressed
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
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR646902A publication Critical patent/FR646902A/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
    • B60T15/306—Railway control or brake valves with evacuation of air to a reservoir, to the atmosphere or to the brake cylinder with one slide valve with a slide valve for initiation and a second slide valve for control of the braking

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
FR646902D 1928-01-09 1928-01-09 Gradual release valve for automatic compressed air brakes Expired FR646902A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR646902T 1928-01-09

Publications (1)

Publication Number Publication Date
FR646902A true FR646902A (en) 1928-11-17

Family

ID=9001736

Family Applications (1)

Application Number Title Priority Date Filing Date
FR646902D Expired FR646902A (en) 1928-01-09 1928-01-09 Gradual release valve for automatic compressed air brakes

Country Status (1)

Country Link
FR (1) FR646902A (en)

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