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Patent Searching and Data


Title:
CONTROL VALVE FOR AUTOMATIC COMPRESSED-AIR BRAKES
Document Type and Number:
WIPO Patent Application WO/2012/038279
Kind Code:
A3
Abstract:
The invention relates to a control valve for automatic compressed-air brakes for generating a brake cylinder pressure (C) in at least one connected brake cylinder (4) in accordance with a pressure difference between a pressure (L) in a connected main brake pipe (2) of a train and a stored reference pressure (A), comprising a main part (1), a pipe part (2) and a support (3), wherein the main part (1) comprises the following parts: a control piston (7), which, on the one hand, is subjected to the reference pressure (A) and, on the other hand, to a control pressure (S) and at least one pressure spring (13), a compensating piston (8) which is subjected to the pressure (C) of the brake cylinder (4) against at least one pressure spring (20), and a double-seat valve (10) in which an inlet valve (103) opens when the control piston (7) approaches via a piston rod (16), and an outlet valve (101) closes when said control piston moves away, wherein the inlet valve (103) is located in an air path from an air storage reservoir (5) in the direction of the brake cylinder (4), and the outlet valve (101) is located in an air path from the brake cylinder (4) to the surroundings (0), the cross section of the air path from the air storage reservoir (5) via the opened inlet valve (103) being at least equal to the cross section required for achieving the shortest normative braking time at the greatest possible pressure and volume in the at least one brake cylinder.

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Inventors:
CZYPIONKA SIMON (DE)
KRUSCHE MICHAEL (DE)
KRYLOV VLADIMIR (RU)
SIMON TIMM (DE)
HELLER MARTIN (DE)
ROMANOV SERGEY (RU)
Application Number:
PCT/EP2011/065716
Publication Date:
June 21, 2012
Filing Date:
September 12, 2011
Export Citation:
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Assignee:
KNORR BREMSE SYSTEME (DE)
CZYPIONKA SIMON (DE)
KRUSCHE MICHAEL (DE)
KRYLOV VLADIMIR (RU)
SIMON TIMM (DE)
HELLER MARTIN (DE)
ROMANOV SERGEY (RU)
International Classes:
B60T7/12; B60T8/17; B60T8/18; B60T13/26; B60T13/36; B60T13/40; B60T13/46; B60T13/57; B60T15/02; B60T15/04; B60T15/18; B60T15/30; B60T17/22
Foreign References:
DE1207953B1965-12-30
DD239166A11986-09-17
DE1088529B1960-09-08
DE1206942B1965-12-16
US4163587A1979-08-07
US3610704A1971-10-05
GB972307A1964-10-14
DE4309386A11994-09-29
DE4309298A11994-09-29
GB643864A1950-09-27
US20020163248A12002-11-07
Other References:
ASADTSCHENKO V.R.: "Avtomatitscheskije Tormosa podvishnogo Sostawa sheleznogo Transporta", 2002, Moskau, Russ., pages: 71 - 128, XP002669823
Attorney, Agent or Firm:
SCHOENMANN, Kurt (Moosacher Str. 80, München, DE)
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