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.

Date of Patent:
Jun. 20, 2017

Filed:

Apr. 30, 2015
Applicant:

Parker-hannifin Corporation, Cleveland, OH (US);

Inventor:

Gregory Coolidge, Elyria, OH (US);

Assignee:

Parker-Hannifin Corporation, Cleveland, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 11/20 (2006.01); F15B 13/04 (2006.01); F15B 13/08 (2006.01); F16K 27/04 (2006.01); F16K 27/00 (2006.01);
U.S. Cl.
CPC ...
F15B 13/0403 (2013.01); F15B 13/0402 (2013.01); F15B 13/0418 (2013.01); F15B 13/0839 (2013.01); F16K 27/003 (2013.01); F16K 27/041 (2013.01); F15B 13/0417 (2013.01);
Abstract

A working valve section for a sectional fluid control valve comprising a valve section housing having a substantially planar surface for being attached to an adjacent valve section housing; a main control spool bore () extending into the housing substantially parallel to the planar surface; a compensator spool bore () extending into the housing substantially parallel to the planar surface, the compensator spool bore being spaced from the main control spool bore; a first relief slot () extending across the planar surface substantially coextensive with the main control spool bore; and a second relief slot () extending across the planar surface substantially coextensive with the compensator spool bore.


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