SE7602698L - BRIDGE CORRECTION DEVICE - Google Patents
BRIDGE CORRECTION DEVICEInfo
- Publication number
- SE7602698L SE7602698L SE7602698A SE7602698A SE7602698L SE 7602698 L SE7602698 L SE 7602698L SE 7602698 A SE7602698 A SE 7602698A SE 7602698 A SE7602698 A SE 7602698A SE 7602698 L SE7602698 L SE 7602698L
- Authority
- SE
- Sweden
- Prior art keywords
- piston
- pressure
- outlet
- caused
- movement
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/18—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle weight or load, e.g. load distribution
- B60T8/1837—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle weight or load, e.g. load distribution characterised by the load-detecting arrangements
- B60T8/185—Arrangements for detecting vehicle level
-
- 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
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/28—Valves specially adapted therefor
- B60T11/34—Pressure reducing or limiting valves
-
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/18—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle weight or load, e.g. load distribution
- B60T8/1812—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle weight or load, e.g. load distribution characterised by the means for pressure reduction
- B60T8/1831—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle weight or load, e.g. load distribution characterised by the means for pressure reduction pressure reducing or limiting valves
-
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/26—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force characterised by producing differential braking between front and rear wheels
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Control Valves For Brake Systems (AREA)
- Safety Valves (AREA)
Abstract
1531803 Dual proportioning or limiting valves SOC ANON DBA 1 March 1976 [1 April 1975 10 Oct 1975] 08118/76 Heading F2F A braking correction device comprises two correcting (proportioning or pressure limiting) valves each associated with respective circuits of a dual circuit braking system and each including a piston 16 or 18, inlet 28 or 30, outlet 32 or 34 and projection 48 or 50 of piston 16 or 18 contacting one face of a common rocker member 46, the other face of the rocker member contacting a diametrical surface of an incompressible elastomeric block 42 having the shape of a half body of revolution, the block 42 and rocker member 46 together being rotatable in a complementary cavity of a rigid element 40 about axis Z-Z<1>, the rigid element 40 being coupled to an input member 36 whose movement is subject to a return spring 58 but may also be associated with variation in vehicle loading. The device may also operate to compensate for slight pressure drop in one circuit caused by leakage or to initiate a substantial pressure increase in one circuit on failure of the other. Each valve comprises a part hollow piston 16 or 18 slidable in bore 12 or 14, the internal bore 20 or 22 housing a ball 21 or 23 biased on to a valve seat but normally raised from the valve seat by a projection of an abutment 24 or 26 to allow a restricted flow from inlet to outlet. Thus movement of either piston to the left as shown in Fig. 1 caused by rotation of rocker and block caused either by a pressure difference across the other piston or by increased pressure through input member 36 causes ball 21 or 23 to lift further from its seat allowing increased flow to increase outlet pressure but movement to the right shuts the valve.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7510131A FR2306107A1 (en) | 1975-04-01 | 1975-04-01 | Pressure modulator for dual circuit brakes - with floating cam to equalise modulation forces |
| FR7531048A FR2327125A2 (en) | 1975-04-01 | 1975-10-10 | MECHANICAL CONTROL AND DUAL BRAKE CORRECTOR USING SUCH A MECHANICAL CONTROL |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7602698L true SE7602698L (en) | 1976-10-02 |
| SE419733B SE419733B (en) | 1981-08-24 |
Family
ID=26218808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7602698A SE419733B (en) | 1975-04-01 | 1976-02-27 | BRAKE CORRECTION DEVICE |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS51121671A (en) |
| AR (1) | AR207187A1 (en) |
| BR (1) | BR7601903A (en) |
| FR (1) | FR2327125A2 (en) |
| GB (1) | GB1531803A (en) |
| IT (1) | IT1058888B (en) |
| SE (1) | SE419733B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2907515A1 (en) * | 1979-02-26 | 1980-08-28 | Teves Gmbh Alfred | PRINT CONTROL UNIT |
| DE3009288A1 (en) * | 1980-03-11 | 1981-09-17 | Alfred Teves Gmbh, 6000 Frankfurt | TWO-CIRCUIT PRESSURE REGULATOR |
| DE2927423C2 (en) * | 1979-07-06 | 1984-08-23 | Alfred Teves Gmbh, 6000 Frankfurt | Dual circuit pressure regulator |
| DE3002142A1 (en) * | 1980-01-22 | 1981-08-27 | Alfred Teves Gmbh, 6000 Frankfurt | TWIN PRESSURE REGULATOR FOR HYDRAULIC BRAKE SYSTEMS |
| DE3002135A1 (en) * | 1980-01-22 | 1981-08-27 | Alfred Teves Gmbh, 6000 Frankfurt | TWIN PRESSURE REGULATOR FOR HYDRAULIC BRAKING SYSTEMS |
| DE3004964A1 (en) * | 1980-02-11 | 1981-08-20 | Alfred Teves Gmbh, 6000 Frankfurt | Pressure control for dual circuit brakes - has floating piston with limited travel to balance output pressures |
| DE3010513C2 (en) * | 1980-03-19 | 1986-09-25 | Alfred Teves Gmbh, 6000 Frankfurt | Twin pressure regulator |
| DE3012765A1 (en) * | 1980-04-02 | 1981-10-08 | Alfred Teves Gmbh, 6000 Frankfurt | TWO-CIRCUIT PRESSURE REGULATOR FOR HYDRAULIC BRAKE SYSTEMS |
| DE3017728A1 (en) * | 1980-05-09 | 1981-11-12 | Alfred Teves Gmbh, 6000 Frankfurt | TWIN PRESSURE REGULATOR FOR HYDRAULIC BRAKE SYSTEMS |
| US4401347A (en) * | 1980-12-09 | 1983-08-30 | Toyota Jidosha Kogyo Kabushiki Kaisha | Fluid pressure control valve for dual braking system |
| JPS58182864U (en) * | 1982-05-31 | 1983-12-06 | 住友電気工業株式会社 | Load transmission mechanism of load-responsive parallel pressure reducing valve |
| DE3315763A1 (en) * | 1983-04-30 | 1984-10-31 | Alfred Teves Gmbh, 6000 Frankfurt | Brake pressure control unit for a dual-circuit vehicle brake system |
-
1975
- 1975-10-10 FR FR7531048A patent/FR2327125A2/en active Granted
-
1976
- 1976-01-01 AR AR26272576A patent/AR207187A1/en active
- 1976-02-27 SE SE7602698A patent/SE419733B/en not_active IP Right Cessation
- 1976-03-01 GB GB811876A patent/GB1531803A/en not_active Expired
- 1976-03-30 BR BR7601903A patent/BR7601903A/en unknown
- 1976-03-31 IT IT2175776A patent/IT1058888B/en active
- 1976-03-31 JP JP3458276A patent/JPS51121671A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| SE419733B (en) | 1981-08-24 |
| BR7601903A (en) | 1976-10-05 |
| AR207187A1 (en) | 1976-09-15 |
| FR2327125A2 (en) | 1977-05-06 |
| FR2327125B2 (en) | 1979-10-05 |
| GB1531803A (en) | 1978-11-08 |
| JPS51121671A (en) | 1976-10-25 |
| JPS5722772B2 (en) | 1982-05-14 |
| IT1058888B (en) | 1982-05-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
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| NUG | Patent has lapsed |
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