SE8401231D0 - SLEPVAGNS control valve - Google Patents
SLEPVAGNS control valveInfo
- Publication number
- SE8401231D0 SE8401231D0 SE8401231A SE8401231A SE8401231D0 SE 8401231 D0 SE8401231 D0 SE 8401231D0 SE 8401231 A SE8401231 A SE 8401231A SE 8401231 A SE8401231 A SE 8401231A SE 8401231 D0 SE8401231 D0 SE 8401231D0
- Authority
- SE
- Sweden
- Prior art keywords
- pressure
- trailer
- valve
- control valve
- chamber
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Hydraulic Control Valves For Brake Systems (AREA)
Abstract
A trailer control valve is proposed, which is provided with a double seat valve for introducing a brake pressure into a trailer brake line (17). The double seat valve (10) lies in a pressure reversal chamber (13), in which the particular pressure introduced into the trailer brake line (17) prevails. The pressure reversal chamber (13) is defined by a reaction piston (11), which ensures the ability for graduated braking.
<??>On the rear side of the reaction piston (11) a counter-pressure chamber (14) is arranged, which is connected to the pressure reversal chamber (13) by way of a duct connection (32, 33). In this duct connection (32, 33) is a pressure limiting valve (34). The pressure limiting valve (34) facilitates soft, sensitive, and highly responsive release of the trailer brakes.
<IMAGE>
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833308082 DE3308082A1 (en) | 1983-03-08 | 1983-03-08 | Trailer control valve |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8401231D0 true SE8401231D0 (en) | 1984-03-06 |
SE8401231L SE8401231L (en) | 1984-09-09 |
SE450564B SE450564B (en) | 1987-07-06 |
Family
ID=6192782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8401231A SE450564B (en) | 1983-03-08 | 1984-03-06 | SLEPVAGNS control valve |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE3308082A1 (en) |
FR (1) | FR2542267A1 (en) |
SE (1) | SE450564B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3620121A1 (en) * | 1986-06-14 | 1987-12-17 | Wabco Westinghouse Fahrzeug | BRAKE PRESSURE CONTROL VALVE, ESPECIALLY TRAILER CONTROL VALVE |
DE3925292A1 (en) * | 1989-07-31 | 1991-02-07 | Grau Gmbh | OVER TWO CIRCUITABLE RELAY VALVE, IN PARTICULAR TRAILER CONTROL OR TRAILER BRAKE VALVE, FOR AIR BRAKE SYSTEMS ON MOTOR VEHICLES |
DE3929936A1 (en) * | 1989-09-08 | 1991-03-21 | Grau Gmbh | Twin circuit relay valve for a pneumatic brake system - use of a reaction piston to divide the braking chamber |
US7429088B1 (en) * | 2007-10-23 | 2008-09-30 | New York Air Brake Corporation | Stabilized brake control valve |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2251479C2 (en) * | 1972-10-20 | 1982-01-28 | Robert Bosch Gmbh, 7000 Stuttgart | Trailer control valve for dual-circuit air brake systems in road vehicles |
IT1087801B (en) * | 1977-10-28 | 1985-06-04 | Magneti Marelli Spa | PROCEDURE AND RELEVANT DEVICE FOR PNEUMATIC BRAKING OF PREDOMINANCE OF VEHICLES TOWED IN GENERAL |
-
1983
- 1983-03-08 DE DE19833308082 patent/DE3308082A1/en not_active Withdrawn
-
1984
- 1984-03-06 SE SE8401231A patent/SE450564B/en not_active IP Right Cessation
- 1984-03-08 FR FR8403590A patent/FR2542267A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
SE450564B (en) | 1987-07-06 |
FR2542267A1 (en) | 1984-09-14 |
SE8401231L (en) | 1984-09-09 |
DE3308082A1 (en) | 1984-09-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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