FR2449568B1 - - Google Patents
Info
- Publication number
- FR2449568B1 FR2449568B1 FR8003914A FR8003914A FR2449568B1 FR 2449568 B1 FR2449568 B1 FR 2449568B1 FR 8003914 A FR8003914 A FR 8003914A FR 8003914 A FR8003914 A FR 8003914A FR 2449568 B1 FR2449568 B1 FR 2449568B1
- Authority
- FR
- France
- 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
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
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
- B60T13/14—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
- B60T13/142—Systems with master cylinder
- B60T13/143—Master cylinder mechanically coupled with booster
- B60T13/144—Pilot valve provided inside booster piston
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
- Braking Arrangements (AREA)
- Control Of Fluid Gearings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/013,826 US4241642A (en) | 1979-02-22 | 1979-02-22 | Hydraulic ratio changing booster with self-venting chamber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2449568A1 FR2449568A1 (fr) | 1980-09-19 |
| FR2449568B1 true FR2449568B1 (US08124317-20120228-C00060.png) | 1983-03-25 |
Family
ID=21761961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8003914A Granted FR2449568A1 (fr) | 1979-02-22 | 1980-02-22 | Servomoteur hydraulique a rapport variable comportant une chambre a purge automatique |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4241642A (US08124317-20120228-C00060.png) |
| DE (1) | DE3006200A1 (US08124317-20120228-C00060.png) |
| FR (1) | FR2449568A1 (US08124317-20120228-C00060.png) |
| GB (1) | GB2043191B (US08124317-20120228-C00060.png) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4294071A (en) * | 1979-12-12 | 1981-10-13 | Midland-Ross Corporation | Hydraulic booster travel ratio check valve |
| GB2104605B (en) * | 1981-07-04 | 1985-03-06 | Lucas Ind Plc | Hydraulic boosters for vehicle braking systems |
| US4586591A (en) * | 1983-10-21 | 1986-05-06 | Itt Industries, Inc. | Pressure-fluid-operable vehicle brake system |
| DE3542418A1 (de) * | 1985-11-30 | 1987-06-04 | Teves Gmbh Alfred | Hydraulischer kraftverstaerker |
| DE3725249A1 (de) * | 1987-07-30 | 1989-02-09 | Teves Gmbh Alfred | Hydraulischer kraftverstaerker |
| DE4438163A1 (de) * | 1994-10-26 | 1996-05-02 | Teves Gmbh Alfred | Hydraulikaggregat |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3733966A (en) * | 1971-03-24 | 1973-05-22 | Bendix Corp | Hydraulic power brake booster |
| GB1369742A (en) * | 1971-05-25 | 1974-10-09 | Bendix Gmbh | Power boost mechanism |
| DE2260246A1 (de) * | 1971-05-25 | 1974-06-12 | Bendix Gmbh | Kraftverstaerker, insbesondere zur verwendung in kraftfahrzeugen |
| DE2215752A1 (de) * | 1972-03-30 | 1973-10-11 | Bendix Gmbh | Kraftverstaerkungsvorrichtung |
| US3915066A (en) * | 1972-12-08 | 1975-10-28 | Bendix Gmbh | Power boost mechanism |
| US3988967A (en) * | 1975-07-10 | 1976-11-02 | The Weatherhead Company | Brake booster with hydraulic ratio changer |
| US4007665A (en) * | 1975-11-28 | 1977-02-15 | The Weatherhead Company | Brake booster with improved pedal feel characteristics |
-
1979
- 1979-02-22 US US06/013,826 patent/US4241642A/en not_active Expired - Lifetime
-
1980
- 1980-02-14 GB GB8005023A patent/GB2043191B/en not_active Expired
- 1980-02-15 DE DE19803006200 patent/DE3006200A1/de not_active Withdrawn
- 1980-02-22 FR FR8003914A patent/FR2449568A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2043191A (en) | 1980-10-01 |
| US4241642A (en) | 1980-12-30 |
| FR2449568A1 (fr) | 1980-09-19 |
| GB2043191B (en) | 1982-11-03 |
| DE3006200A1 (de) | 1980-09-04 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |