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:
Dec. 14, 1999
Filed:
Mar. 02, 1998
Applicant:
Inventors:
Assignee:
SMC Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05B / ;
U.S. Cl.
CPC ...
239119 ; 239106 ; 239132 ; 239586 ; 222571 ; 251331 ; 251 635 ; 251 11 ; 137340 ;
Abstract
A suck back valve comprises a linear actuator which displaces a second diaphragm through a stem, an encoder which detects a displacement amount of the linear actuator, and a flow amount controller for controlling a pilot pressure supplied to an ON/OFF valve mechanism.