JPS5657518A - Filler cap for fuel tank - Google Patents
Filler cap for fuel tankInfo
- Publication number
- JPS5657518A JPS5657518A JP13394879A JP13394879A JPS5657518A JP S5657518 A JPS5657518 A JP S5657518A JP 13394879 A JP13394879 A JP 13394879A JP 13394879 A JP13394879 A JP 13394879A JP S5657518 A JPS5657518 A JP S5657518A
- Authority
- JP
- Japan
- Prior art keywords
- disk
- valve
- tank
- diaphragm
- pressure
- 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
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Closures For Containers (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
PURPOSE: To improve the breather function against positive and negative pressures in the tank and also to improve the sealing function against abnormal liquid pressure that will be applied to a valve mechanism, by forming the captioned filler cap of an automobile, etc. into an upper chamber and a lower chamber devided by a diaphragm valve and a disk.
CONSTITUTION: If there is abnormal positive pressure in the tank, though the disk 6 and the diaphragm valve 5 will be elevated, the elevation of the disk 6 will be restricted by a stopper 7, so that a gap will be formed between the disk 6 and the diaphragm valve 5 to communicate the upper and lower chambers 9, 8 with each other, and the pressure in the tank 22 will be released outside of the tank 22 through the lower chamber 9, venting holes 16, a valve hole 11, the upper chamber 8 and a venting hole 2. If the pressure is negative, the disk 6 and the diaphragm 5 act reversely to communicate the upper and lower chambers 8, 9 with each other to introdue the atmospheric air. If abnormal liquid pressure acts on the valve mechanism 4, the diaphragm 5 will be elevated fully, and therefore the upper end of a valve mouth 11 will be closed by the under surface of the cap body 1 to prevent the fuel from leakage.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP54133948A JPS5848422B2 (en) | 1979-10-16 | 1979-10-16 | fuel tank filler cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP54133948A JPS5848422B2 (en) | 1979-10-16 | 1979-10-16 | fuel tank filler cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5657518A true JPS5657518A (en) | 1981-05-20 |
| JPS5848422B2 JPS5848422B2 (en) | 1983-10-28 |
Family
ID=15116804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP54133948A Expired JPS5848422B2 (en) | 1979-10-16 | 1979-10-16 | fuel tank filler cap |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5848422B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009026222A1 (en) * | 2009-07-22 | 2011-02-17 | Woco Industrietechnik Gmbh | Valve arrangement for temporarily locking of opening formed in body component of vehicle, has standard device of sealing surface that is disposed relative to main symmetry axis or to another main symmetry axis in valve element |
-
1979
- 1979-10-16 JP JP54133948A patent/JPS5848422B2/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009026222A1 (en) * | 2009-07-22 | 2011-02-17 | Woco Industrietechnik Gmbh | Valve arrangement for temporarily locking of opening formed in body component of vehicle, has standard device of sealing surface that is disposed relative to main symmetry axis or to another main symmetry axis in valve element |
| DE102009026222B4 (en) * | 2009-07-22 | 2014-01-23 | Woco Industrietechnik Gmbh | valve assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5848422B2 (en) | 1983-10-28 |
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