Title:
DEVICE FOR GENERATING TIRE AIR PRESSURE
Document Type and Number:
WIPO Patent Application WO/2007/077754
Kind Code:
A1
Abstract:
A device (A) for generating tire air pressure has an air pump (20) placed coaxially
with a shaft (rotating shaft)(11a) of an axle hub (11), a pressure control valve
(30), and a regulation device (40). The air pump (20) has inside the axle hub (11)
a pump chamber (Ro). The pressure control valve (30) and the regulation device
(40) are assembled in a cylinder head (22B) that is air tightly and removably assembled
in the axle hub (11). In the cylinder head (22B), there are provided a path (22c)
doubling as both a suction path and a discharge path, a discharge path (22d), a
pressure introduction path (22e), and a suction path (22f).
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Inventors:
ISONO HIROSHI (JP)
Application Number:
PCT/JP2006/325568
Publication Date:
July 12, 2007
Filing Date:
December 15, 2006
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
ISONO HIROSHI (JP)
ISONO HIROSHI (JP)
International Classes:
B60C23/12; F16K3/26
Foreign References:
| JP2000255228A | 2000-09-19 | |||
| JPS63275409A | 1988-11-14 | |||
| JPS62102701U | 1987-06-30 | |||
| JPS5797707U | 1982-06-16 | |||
| JPH06507860A | 1994-09-08 | |||
| JPH05246218A | 1993-09-24 | |||
| JPH01109109A | 1989-04-26 | |||
| JPS624617A | 1987-01-10 | |||
| JP2002514540A | 2002-05-21 | |||
| JP2006298197A | 2006-11-02 |
Attorney, Agent or Firm:
PROSPEC PATENT FIRM (Nagoya-KS Building 1-18, Taiko 3-chome, Nakamura-k, Nagoya-shi Aichi 01, JP)
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