JPS5533942A - Throttle fool-safe valve for automatic transmission - Google Patents
Throttle fool-safe valve for automatic transmissionInfo
- Publication number
- JPS5533942A JPS5533942A JP10628678A JP10628678A JPS5533942A JP S5533942 A JPS5533942 A JP S5533942A JP 10628678 A JP10628678 A JP 10628678A JP 10628678 A JP10628678 A JP 10628678A JP S5533942 A JPS5533942 A JP S5533942A
- Authority
- JP
- Japan
- Prior art keywords
- throttle
- plunger
- spool
- accelerator pedal
- valve
- 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.)
- Granted
Links
Landscapes
- Control Of Transmission Device (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
PURPOSE: To permit continuous running of cars when throttle valve is unoperable due to failure between the valve and an accelerator pedal, by raising line pressure.
CONSTITUTION: This throttle valve 139 is equipped with a plunger 3 which is linked to an accelerator pedal 44 via a wire 45, a lever 42 and a throttle plate 40. The plunger 3 is slidably inserted in a central hollow of a spool 2. If failure occurs in a link between the accelerator pedal 44 and the plunger 3, the plunger 3 is moved right by a spring 47 to its closing position, and the spool 2, kooked to insike end of larger diameter 3a, is moved at the same time. Thus, the spool 2 separates throttle pressure oil 165 from line pressure oil 144 and leads throttle pressure oil 165 to oil passage 8, and leads line pressure from oil passage 144 to a regulator valve via oil passage 11.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10628678A JPS5533942A (en) | 1978-09-01 | 1978-09-01 | Throttle fool-safe valve for automatic transmission |
US06/023,477 US4301697A (en) | 1978-09-01 | 1979-03-23 | Hydraulic control system for automatic power transmission having transmission throttle valve with failsafe means |
GB7927433A GB2029524B (en) | 1978-09-01 | 1979-08-07 | Hydraulic control system for automatic power transmission having transmission throttle valve with failsafe means |
CA000334621A CA1144449A (en) | 1978-09-01 | 1979-08-27 | Throttle failsafe valve for an automatic power transmission |
DE2935139A DE2935139C2 (en) | 1978-09-01 | 1979-08-30 | Throttle valve |
AU50480/79A AU522122B2 (en) | 1978-09-01 | 1979-08-31 | Throttle failsafe valve in an automatic transmission |
FR7921918A FR2434971A1 (en) | 1978-09-01 | 1979-08-31 | SHUTTER SAFETY VALVE FOR AUTOMATIC VEHICLE TRANSMISSION |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10628678A JPS5533942A (en) | 1978-09-01 | 1978-09-01 | Throttle fool-safe valve for automatic transmission |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5533942A true JPS5533942A (en) | 1980-03-10 |
JPS617542B2 JPS617542B2 (en) | 1986-03-07 |
Family
ID=14429819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10628678A Granted JPS5533942A (en) | 1978-09-01 | 1978-09-01 | Throttle fool-safe valve for automatic transmission |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5533942A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5846259A (en) * | 1981-08-21 | 1983-03-17 | フオ−ド・モ−タ−・カンパニ− | Automatic controller for transmission working pressure |
-
1978
- 1978-09-01 JP JP10628678A patent/JPS5533942A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5846259A (en) * | 1981-08-21 | 1983-03-17 | フオ−ド・モ−タ−・カンパニ− | Automatic controller for transmission working pressure |
JPH0437309B2 (en) * | 1981-08-21 | 1992-06-18 | Ford Motor Co |
Also Published As
Publication number | Publication date |
---|---|
JPS617542B2 (en) | 1986-03-07 |
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