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. 05, 1990
Filed:
Oct. 28, 1988
Applicant:
Inventors:
Russell J Cameron, Rochester, MI (US);
Richard P Krape, Lake Orion, MI (US);
Robert N Winsand, Birmingham, MI (US);
Assignee:
Ross Operating Valve Company, Troy, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F15B / ;
U.S. Cl.
CPC ...
91 32 ; 91418 ; 137884 ; 137863 ; 137869 ; 251149 ;
Abstract
Several embodiments are disclosed of an automatic shutoff valve apparatus for permitting removal, repair, or replacement of a control valve from a mounting base without deactivating a complete system. In addition, a redundancy arrangement is disclosed wherein the shutoff valve apparatus and at least two control valves are employed in parallel so that the device activated by the control valves can be maintained operative when one control valve malfunctions or is removed, repaired, or replaced.