The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 08, 2021
Filed:
May. 20, 2019
Toyota Boshoku Kabushiki Kaisha, Aichi-ken, JP;
Yosuke Uno, Aichi-ken, JP;
TOYOTA BOSHOKU KABUSHIKI KAISHA, Aichi-Ken, JP;
Abstract
There is provided an air supply and exhaust device for air cells which is configured to supply air to a plurality of air cells and exhaust air from the plurality of air cells via a distributor. The distributor includes a housing having a plurality of vent holes and a valve body including an air supply chamber and an exhaust passage. The exhaust passage has a cross-sectional area substantially the same as a cross-sectional area of a vent hole capable of communicating with the exhaust passage, and allows an exhaust receiving port configured to face the vent hole capable of communicating with the exhaust passage and an atmosphere opening port to communicate with each other by being curved around a rotation center of the valve body and extending in a circular arc shape along a rotation track of the valve body at least at the exhaust receiving port.