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:
Jan. 31, 2023
Filed:
Feb. 12, 2021
Surpass Industry Co., Ltd., Saitama, JP;
Yuichi Ando, Saitama, JP;
Satoshi Sekine, Saitama, JP;
Surpass Industry Co., Ltd., Saitama, JP;
Abstract
Provided is a flow rate regulating device including a valve body section having a flat valve body surface; a main body section including a valve chamber, an inflow channel, an outflow channel, and a communication channel; a valve seat section having a flat valve seat surface provided around an inflow opening; a regulation mechanism that moves the valve body section along an axis to regulate a distance between the valve body surface and the valve seat surface; and a control unit that controls the regulation mechanism so that the valve body section moves in a movement range in which the valve body surface and the valve seat surface maintain a non-contact state, wherein a channel cross-sectional area of the communication channel is smaller than each of a channel cross-sectional area of the inflow channel and a channel cross-sectional area of the outflow channel.