Title:
AN AIR PRESSURE SENSOR AND THE PRE-WARNING SYSTENM FOR VEHICLE TYRE USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2008/131618
Kind Code:
A1
Abstract:
An air pressure sensor and the pre-warning system for vehicle tyre using the same.
The air pressure sensor includes a conduit, the body of a pipe, a pneumatically
operated equipment droven by air pressure in the pipe and a switching device of
the warning circuit droven by air pressure. The inner chamber of pipe is connected
to the outer of inflating valve of a tyre by the connecting pipe, so the pressure
in the tyre is equal to the atmospheric pressure.
Inventors:
RU CHANGQU (CN)
Application Number:
PCT/CN2007/003592
Publication Date:
November 06, 2008
Filing Date:
December 14, 2007
Export Citation:
Assignee:
RU CHANGQU (CN)
International Classes:
B60C23/04; B60C23/20; G01L7/14
Foreign References:
| CN1244463C | 2006-03-08 | |||
| CN2404116Y | 2000-11-01 | |||
| CN2709221Y | 2005-07-13 | |||
| US4998092A | 1991-03-05 |
Attorney, Agent or Firm:
GUANGZHOU SCIHEAD PATENT AGENT CO. LTD. (Huihua Commercial & Trade BuildingN0.80 XianLie Zhong Road,Guangzhou, Guangdong 0, CN)
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