CA1309744C - Pressure control valve for railway vehicles - Google Patents
Pressure control valve for railway vehiclesInfo
- Publication number
- CA1309744C CA1309744C CA000585842A CA585842A CA1309744C CA 1309744 C CA1309744 C CA 1309744C CA 000585842 A CA000585842 A CA 000585842A CA 585842 A CA585842 A CA 585842A CA 1309744 C CA1309744 C CA 1309744C
- Authority
- CA
- Canada
- Prior art keywords
- valve
- chamber
- air supply
- piston
- diaphragm
- 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 - Fee Related
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 230000008859 change Effects 0.000 description 7
- 230000001012 protector Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 230000036961 partial effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/14—Control of fluid pressure with auxiliary non-electric power
- G05D16/18—Control of fluid pressure with auxiliary non-electric power derived from an external source
- G05D16/185—Control of fluid pressure with auxiliary non-electric power derived from an external source using membranes within the main valve
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2278—Pressure modulating relays or followers
- Y10T137/2409—With counter-balancing pressure feedback to the modulating device
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86919—Sequentially closing and opening alternately seating flow controllers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87169—Supply and exhaust
- Y10T137/87217—Motor
- Y10T137/87225—Fluid motor
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Fluid-Driven Valves (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987190597U JPH0428291Y2 (en, 2012) | 1987-12-15 | 1987-12-15 | |
| JPU62-190597 | 1987-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1309744C true CA1309744C (en) | 1992-11-03 |
Family
ID=16260714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000585842A Expired - Fee Related CA1309744C (en) | 1987-12-15 | 1988-12-14 | Pressure control valve for railway vehicles |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4949754A (en, 2012) |
| JP (1) | JPH0428291Y2 (en, 2012) |
| CA (1) | CA1309744C (en, 2012) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5163464A (en) * | 1992-04-15 | 1992-11-17 | Baumann Hans D | Pneumatic pressure controller |
| CN101929574B (zh) * | 2010-09-19 | 2012-01-04 | 卓旦春 | 一种动态平衡电动压差调节阀 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2716017A (en) * | 1952-08-28 | 1955-08-23 | Grinnell Corp | Diaphragm valves |
| US2825361A (en) * | 1955-01-20 | 1958-03-04 | Exxon Research Engineering Co | Variable ratio valve |
| US2958337A (en) * | 1956-12-28 | 1960-11-01 | Westinghouse Air Brake Co | Fluid pressure regulating valve device for supplying graduated delivery pressure according to the supply pressure |
| US4724859A (en) * | 1986-12-09 | 1988-02-16 | Nippon Air Brake Co., Ltd. | Self-lapping type valve device |
-
1987
- 1987-12-15 JP JP1987190597U patent/JPH0428291Y2/ja not_active Expired
-
1988
- 1988-12-01 US US07/278,388 patent/US4949754A/en not_active Expired - Fee Related
- 1988-12-14 CA CA000585842A patent/CA1309744C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0428291Y2 (en, 2012) | 1992-07-08 |
| JPH0194167U (en, 2012) | 1989-06-21 |
| US4949754A (en) | 1990-08-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |