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. 21, 2003
Filed:
Nov. 20, 2000
Applicant:
Inventors:
Natan E. Parsons, Brookline, MA (US);
David Hadley, Franklin, MA (US);
Robert Shamitz, Brighton, MA (US);
Assignee:
Arichell Technologies, Inc., West Newton, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 1/102 ; F16K 3/1128 ;
U.S. Cl.
CPC ...
F16K 1/102 ; F16K 3/1128 ;
Abstract
Disclosed is a valve device and a method for operating at least two valves actuated by an actuator and arranged for controlling fluid flow in at least two separate fluid lines. The valve device can simultaneously control at least two diaphragm operated valves using a single actuator. The valve device includes a pressure release mechanism constructed to change pressure in a diaphragm chamber of each diaphragm operated valve and thereby open or close the diaphragm operated valve.