TIRE TESTING DEVICE'S PNEUMATIC CIRCUIT, TIRE TESTING DEVICE, AND TIRE TESTING METHOD

Title:

TIRE TESTING DEVICE'S PNEUMATIC CIRCUIT, TIRE TESTING DEVICE, AND TIRE TESTING METHOD

Document Type and Number:

WIPO Patent Application WO/2010/146859

Kind Code:

A1

Abstract:

Provided is a pneumatic circuit (1) whereby very small amounts of variations in the pneumatic pressure in a tire which occur during tire testing can be adjusted in a short time. This pneumatic circuit (1) is equipped with an air supply source (10) which generates compressed air to be supplied to a tire (T) retained in a tire testing device (2); a pressure regulating valve (13) which regulates the pressure of the compressed air generated; a discharge/supply valve (14) which is provided downstream of the pressure regulating valve (13) and by which compressed air is supplied to, or discharged from, the tire (T); a pressure detection unit (17) which is provided downstream of the discharge/supply valve (14) and which detects the tire pressure inside the tire (T); and a volume adjusting mechanism (21) which is provided between the pressure regulating valve (13) and the tire (T) and which increases or decreases the volume of compressed air in the air flow path between the tire (T) and the pressure regulating valve (13), as well as in the tire (T).

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Inventors:

MURAKAMI MASAO
MATSUBARA YOSHIAKI
NAKAYAMA MAIKO
TAKEDA HAJIME

Application Number:

PCT/JP2010/004027

Publication Date:

December 23, 2010

Filing Date:

June 17, 2010

Export Citation:

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Assignee:

MURAKAMI MASAO (JP)
MATSUBARA YOSHIAKI (JP)
NAKAYAMA MAIKO (JP)
TAKEDA HAJIME (JP)
KOBE STEEL LTD (JP)

International Classes:

G01M17/02

Foreign References:

JPH0560640A	1993-03-12
JP5070095B2	2012-11-07
US4491013A	1985-01-01

Attorney, Agent or Firm:

KOTANI, Etsuji et al. (JP)
Etsuji Kotani (JP)

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