CA1193635A - Closed-center hydraulic servo apparatus - Google Patents
Closed-center hydraulic servo apparatusInfo
- Publication number
- CA1193635A CA1193635A CA000402714A CA402714A CA1193635A CA 1193635 A CA1193635 A CA 1193635A CA 000402714 A CA000402714 A CA 000402714A CA 402714 A CA402714 A CA 402714A CA 1193635 A CA1193635 A CA 1193635A
- Authority
- CA
- Canada
- Prior art keywords
- valve
- pressure chamber
- input member
- bore
- communicating
- 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
Links
- 239000012530 fluid Substances 0.000 claims abstract description 74
- 230000033001 locomotion Effects 0.000 claims abstract description 40
- 230000004044 response Effects 0.000 claims abstract description 31
- 238000004891 communication Methods 0.000 claims abstract description 23
- 230000006854 communication Effects 0.000 claims abstract description 23
- 230000008878 coupling Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 claims abstract description 12
- 238000005192 partition Methods 0.000 claims description 38
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 230000000694 effects Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 description 4
- 208000036366 Sensation of pressure Diseases 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 241001527902 Aratus Species 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical group [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 101100135641 Caenorhabditis elegans par-3 gene Proteins 0.000 description 1
- 241001435619 Lile Species 0.000 description 1
- 230000003935 attention Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- XXPDBLUZJRXNNZ-UHFFFAOYSA-N promethazine hydrochloride Chemical compound Cl.C1=CC=C2N(CC(C)N(C)C)C3=CC=CC=C3SC2=C1 XXPDBLUZJRXNNZ-UHFFFAOYSA-N 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- ACXGJHCPFCFILV-UHFFFAOYSA-M sodium;2-(4-chloro-2-methylphenoxy)acetate;3,6-dichloro-2-methoxybenzoic acid Chemical compound [Na+].COC1=C(Cl)C=CC(Cl)=C1C(O)=O.CC1=CC(Cl)=CC=C1OCC([O-])=O ACXGJHCPFCFILV-UHFFFAOYSA-M 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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
- B60T13/145—Master cylinder integrated or hydraulically coupled with booster
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US273,148 | 1981-06-12 | ||
| US06/273,148 US4422293A (en) | 1981-06-12 | 1981-06-12 | Closed-center hydraulic servo apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1193635A true CA1193635A (en) | 1985-09-17 |
Family
ID=23042733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000402714A Expired CA1193635A (en) | 1981-06-12 | 1982-05-11 | Closed-center hydraulic servo apparatus |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4422293A (en, 2012) |
| EP (1) | EP0067749A1 (en, 2012) |
| JP (2) | JPS57209453A (en, 2012) |
| AR (1) | AR230230A1 (en, 2012) |
| AU (1) | AU8402582A (en, 2012) |
| BR (1) | BR8203515A (en, 2012) |
| CA (1) | CA1193635A (en, 2012) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3210735A1 (de) * | 1981-12-18 | 1983-06-30 | Robert Bosch Gmbh, 7000 Stuttgart | Hydraulischer zweikreis-tandem-hauptbremszylinder |
| DE3325424A1 (de) * | 1983-07-14 | 1985-01-24 | Alfred Teves Gmbh, 6000 Frankfurt | Betaetigungseinrichtung fuer eine hydraulische kraftfahrzeugbremsanlage |
| DE3336114A1 (de) * | 1983-10-05 | 1985-05-02 | Daimler-Benz Ag, 7000 Stuttgart | Hydraulische hochleistungs-bremsanlage fuer kraftfahrzeuge |
| DE3408873A1 (de) * | 1984-03-10 | 1985-09-12 | Alfred Teves Gmbh, 6000 Frankfurt | Bremsdruckgeber fuer eine hydraulische kraftfahrzeug-bremsanlage |
| JPS60206762A (ja) * | 1984-03-30 | 1985-10-18 | Aisin Seiki Co Ltd | 液圧ブ−スタ |
| US4625515A (en) * | 1984-09-20 | 1986-12-02 | Allied Corporation | Brake booster |
| DE3726302A1 (de) * | 1987-08-07 | 1989-02-23 | Teves Gmbh Alfred | Schlupfgeregelte bremsanlage |
| US5362138A (en) * | 1993-02-04 | 1994-11-08 | General Motors Corporation | Brake feedback valve |
| DE60025793T2 (de) * | 2000-12-07 | 2006-08-17 | Ford Global Technologies, LLC, Dearborn | Unterdruckkraftverstärker |
| US7284471B2 (en) * | 2004-12-02 | 2007-10-23 | Sarcos Investments Lc | Pressure control valve having intrinsic mechanical feedback system |
| US7308848B2 (en) * | 2004-12-02 | 2007-12-18 | Sarcos Investments Lc | Pressure control valve having intrinsic feedback system |
| WO2008106611A1 (en) * | 2007-02-28 | 2008-09-04 | Raytheon Sarcos, Llc | Antagonistic fluid control system for active and passive actuator operation |
| EP2122186A1 (en) * | 2007-02-28 | 2009-11-25 | Raytheon Sarcos, LLC | Fluid control system having selective recruitable actuators |
| US7779863B2 (en) * | 2007-06-29 | 2010-08-24 | Raytheon Sarcos, Llc | Pressure control valve having an asymmetric valving structure |
| US8049523B2 (en) | 2007-12-05 | 2011-11-01 | Solaredge Technologies Ltd. | Current sensing on a MOSFET |
| US20100318043A1 (en) * | 2009-06-10 | 2010-12-16 | Tyco Healthcare Group Lp | Negative Pressure Wound Therapy Systems Capable of Vacuum Measurement Independent of Orientation |
| US9302034B2 (en) | 2011-04-04 | 2016-04-05 | Smith & Nephew, Inc. | Negative pressure wound therapy dressing |
| US20120253302A1 (en) * | 2011-04-04 | 2012-10-04 | Tyco Healthcare Group Lp | Negative Pressure Wound Therapy Dressing |
| JP5846017B2 (ja) * | 2012-01-25 | 2016-01-20 | 株式会社アドヴィックス | 車両用ブレーキ装置 |
| ES2660052B2 (es) * | 2017-09-21 | 2018-07-02 | Robert Bosch Gmbh | Depósito de líquido de frenos para actuador de frenado hidráulico de vehículos |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1160478A (fr) * | 1956-11-05 | 1958-07-16 | Rech Etudes Production Sarl | Transmetteur de puissance, assisté par une puissance hydraulique auxiliaire |
| DE1226444B (de) * | 1961-03-30 | 1966-10-06 | Teves Kg Alfred | Hilfskraftverstaerkter Geberzylinder, insbesondere fuer Kraftfahrzeugbremsen |
| US3074383A (en) * | 1961-09-01 | 1963-01-22 | Bendix Corp | Full power hydraulic servomotor |
| GB1203889A (en) * | 1967-10-30 | 1970-09-03 | Bendix Corp | Improvements in and relating to fluid pressure control valves |
| JPS4918675B1 (en, 2012) * | 1969-08-10 | 1974-05-11 | ||
| US3638528A (en) * | 1970-06-17 | 1972-02-01 | Bendix Corp | Hydraulic boost device with auxiliary fluid supply |
| DE2164591C3 (de) * | 1971-12-24 | 1979-06-21 | Alfred Teves Gmbh, 6000 Frankfurt | Zweikreis-Hauptzylinder für eine Druckspeicher-Bremsanlage, insbesondere für Kraftfahrzeuge |
| DE2164590C3 (de) * | 1971-12-24 | 1979-03-29 | Alfred Teves Gmbh, 6000 Frankfurt | Hauptzylinder für eine Zweikreisbremsanlage für Fahrzeuge, insbesondere Kraftfahrzeuge |
| DE2254414A1 (de) * | 1972-11-07 | 1974-05-09 | Bendix Gmbh | Hauptzylinder fuer eine zweikreisbremsanlage |
| GB1465901A (en) * | 1973-02-01 | 1977-03-02 | Cam Gears Ltd | Power assisted vehicle steering |
| US3894390A (en) * | 1973-03-14 | 1975-07-15 | Itt | Brake valve for an ancillary brake force device in motor vehicles |
| JPS5755619B2 (en, 2012) * | 1974-07-24 | 1982-11-25 | ||
| GB1579827A (en) * | 1976-05-21 | 1980-11-26 | Girling Ltd | Fluid-pressure operated boosters for vehicle braking systems |
| GB1580125A (en) * | 1976-05-22 | 1980-11-26 | Girling Ltd | Fluid-pressure operated servo-motor assemblies for vehicle braking systems |
-
1981
- 1981-06-12 US US06/273,148 patent/US4422293A/en not_active Expired - Fee Related
-
1982
- 1982-05-11 CA CA000402714A patent/CA1193635A/en not_active Expired
- 1982-05-21 AU AU84025/82A patent/AU8402582A/en not_active Abandoned
- 1982-05-26 EP EP82400970A patent/EP0067749A1/en not_active Withdrawn
- 1982-06-10 AR AR289662A patent/AR230230A1/es active
- 1982-06-11 BR BR8203515A patent/BR8203515A/pt not_active IP Right Cessation
- 1982-06-11 JP JP57099415A patent/JPS57209453A/ja active Pending
-
1988
- 1988-07-25 JP JP1988097434U patent/JPH0311089Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US4422293A (en) | 1983-12-27 |
| JPS6430767U (en, 2012) | 1989-02-27 |
| JPH0311089Y2 (en, 2012) | 1991-03-18 |
| BR8203515A (pt) | 1983-06-07 |
| AU8402582A (en) | 1982-12-16 |
| AR230230A1 (es) | 1984-03-01 |
| JPS57209453A (en) | 1982-12-22 |
| EP0067749A1 (en) | 1982-12-22 |
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| CA1193635A (en) | Closed-center hydraulic servo apparatus | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |