CA1064549A - Dynamic blending with a spring-applied fluid pressure released service brake including cojoint spring and fluid pressure emergency feature - Google Patents
Dynamic blending with a spring-applied fluid pressure released service brake including cojoint spring and fluid pressure emergency featureInfo
- Publication number
- CA1064549A CA1064549A CA290,767A CA290767A CA1064549A CA 1064549 A CA1064549 A CA 1064549A CA 290767 A CA290767 A CA 290767A CA 1064549 A CA1064549 A CA 1064549A
- Authority
- CA
- Canada
- Prior art keywords
- fluid
- pressure
- spring
- under pressure
- fluid under
- 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 title claims abstract description 218
- 238000002156 mixing Methods 0.000 title abstract description 3
- 230000009467 reduction Effects 0.000 claims abstract description 47
- 230000000694 effects Effects 0.000 claims abstract 30
- 238000009877 rendering Methods 0.000 claims abstract 3
- 239000012298 atmosphere Substances 0.000 claims description 52
- 230000007423 decrease Effects 0.000 claims description 3
- 229920000136 polysorbate Polymers 0.000 claims description 2
- 230000000875 corresponding effect Effects 0.000 claims 24
- 208000036366 Sensation of pressure Diseases 0.000 claims 9
- 230000001276 controlling effect Effects 0.000 claims 2
- 229910052729 chemical element Inorganic materials 0.000 claims 1
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000006722 reduction reaction Methods 0.000 description 11
- 239000011435 rock Substances 0.000 description 7
- 241000238631 Hexapoda Species 0.000 description 5
- 238000005303 weighing Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000979 retarding effect Effects 0.000 description 3
- 101100310856 Drosophila melanogaster spri gene Proteins 0.000 description 2
- WTEVQBCEXWBHNA-YFHOEESVSA-N neral Chemical compound CC(C)=CCC\C(C)=C/C=O WTEVQBCEXWBHNA-YFHOEESVSA-N 0.000 description 2
- 235000006696 Catha edulis Nutrition 0.000 description 1
- 240000007681 Catha edulis Species 0.000 description 1
- WTEVQBCEXWBHNA-UHFFFAOYSA-N Citral Natural products CC(C)=CCCC(C)=CC=O WTEVQBCEXWBHNA-UHFFFAOYSA-N 0.000 description 1
- 241000193803 Therea Species 0.000 description 1
- 239000008609 bushi Substances 0.000 description 1
- WTEVQBCEXWBHNA-JXMROGBWSA-N citral A Natural products CC(C)=CCC\C(C)=C\C=O WTEVQBCEXWBHNA-JXMROGBWSA-N 0.000 description 1
- QWXYZCJEXYQNEI-OSZHWHEXSA-N intermediate I Chemical compound COC(=O)[C@@]1(C=O)[C@H]2CC=[N+](C\C2=C\C)CCc2c1[nH]c1ccccc21 QWXYZCJEXYQNEI-OSZHWHEXSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- KRTSDMXIXPKRQR-AATRIKPKSA-N monocrotophos Chemical compound CNC(=O)\C=C(/C)OP(=O)(OC)OC KRTSDMXIXPKRQR-AATRIKPKSA-N 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- BALXUFOVQVENIU-KXNXZCPBSA-N pseudoephedrine hydrochloride Chemical compound [H+].[Cl-].CN[C@@H](C)[C@@H](O)C1=CC=CC=C1 BALXUFOVQVENIU-KXNXZCPBSA-N 0.000 description 1
- 230000000717 retained effect Effects 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
- B60T13/74—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 electrical assistance or drive
-
- 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
- B60T13/24—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 gaseous
- B60T13/26—Compressed-air systems
- B60T13/261—Compressed-air systems systems with both indirect application and application by springs or weights and released by compressed air
-
- 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
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/665—Electrical control in fluid-pressure brake systems the systems being specially adapted for transferring two or more command signals, e.g. railway systems
-
- 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
- B60T8/1893—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 especially adapted for railway vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
- Braking Systems And Boosters (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/740,836 US4045093A (en) | 1976-11-11 | 1976-11-11 | Dynamic blending with a spring-applied fluid pressure released service brake including cojoint spring and fluid pressure emergency feature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1064549A true CA1064549A (en) | 1979-10-16 |
Family
ID=24978288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA290,767A Expired CA1064549A (en) | 1976-11-11 | 1977-11-14 | Dynamic blending with a spring-applied fluid pressure released service brake including cojoint spring and fluid pressure emergency feature |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4045093A (OSRAM) |
| JP (1) | JPS5366612A (OSRAM) |
| AU (1) | AU507590B2 (OSRAM) |
| BR (1) | BR7707491A (OSRAM) |
| CA (1) | CA1064549A (OSRAM) |
| GB (1) | GB1555834A (OSRAM) |
| IN (1) | IN147923B (OSRAM) |
| ZA (1) | ZA773440B (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4199195A (en) * | 1978-10-16 | 1980-04-22 | Westinghouse Air Brake Company | Dynamic/friction brake blending control system |
| US4598953A (en) * | 1985-06-17 | 1986-07-08 | American Standard Inc. | Electropneumatic brake control system for railway transit vehicle |
| US4659149A (en) * | 1985-11-08 | 1987-04-21 | American Standard Inc. | Cross blending electro-dynamic/friction brake system for multi-car train consist having mixed power and non-power cars |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2897011A (en) * | 1955-11-28 | 1959-07-28 | Westinghouse Air Brake Co | Combined pneumatic and electro-pneumatic brake control apparatus |
| US3260331A (en) * | 1963-12-09 | 1966-07-12 | Gen Motors Corp | Drive sustaining device |
| GB1063078A (en) * | 1964-04-02 | 1967-03-30 | Neway Equipment Co | Improvements in or relating to brake operating structures |
| US3536360A (en) * | 1969-01-27 | 1970-10-27 | Gen Signal Corp | Blending scheme for fluid-operated and dynamic brakes |
| US3814483A (en) * | 1973-05-22 | 1974-06-04 | Westinghouse Air Brake Co | Blending valve device for combining fluid pressure and dynamic brakes |
-
1976
- 1976-11-11 US US05/740,836 patent/US4045093A/en not_active Expired - Lifetime
-
1977
- 1977-06-07 ZA ZA00773440A patent/ZA773440B/xx unknown
- 1977-10-05 AU AU29367/77A patent/AU507590B2/en not_active Expired
- 1977-11-03 IN IN1580/CAL/77A patent/IN147923B/en unknown
- 1977-11-09 GB GB46690/77A patent/GB1555834A/en not_active Expired
- 1977-11-09 BR BR7707491A patent/BR7707491A/pt unknown
- 1977-11-11 JP JP13485077A patent/JPS5366612A/ja active Granted
- 1977-11-14 CA CA290,767A patent/CA1064549A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5366612A (en) | 1978-06-14 |
| JPS5637101B2 (OSRAM) | 1981-08-28 |
| US4045093A (en) | 1977-08-30 |
| ZA773440B (en) | 1978-04-26 |
| GB1555834A (en) | 1979-11-14 |
| AU507590B2 (en) | 1980-02-21 |
| AU2936777A (en) | 1979-04-12 |
| IN147923B (OSRAM) | 1980-08-09 |
| BR7707491A (pt) | 1978-06-20 |
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