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.:

US 9447871 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 20, 2016

Filed:

Nov. 20, 2014
Applicant:

Sonnax Industries, Inc., Bellows Falls, VT (US);

Inventors:

Todd V. Mangiagli, Westminister, VT (US);

Maura J. Stafford, Warner Robins, GA (US);

Donald G. Parrott, Alstead, NH (US);

Assignee:

Sonnax Industries, Inc., Bellows Falls, VT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 11/065 (2006.01); F16K 11/07 (2006.01); F15B 13/04 (2006.01); F16H 61/02 (2006.01); F16K 31/122 (2006.01);
U.S. Cl.
CPC ...
F16H 61/029 (2013.01); F16H 2061/0279 (2013.01); F16K 11/07 (2013.01); F16K 11/0716 (2013.01); F16K 31/1225 (2013.01); Y10T 137/0486 (2015.04); Y10T 137/8671 (2015.04); Y10T 137/86702 (2015.04); Y10T 137/87177 (2015.04);
Abstract

Various devices and methods are provided for a multiple pressure ratio valve assembly that can be used in a plurality of systems requiring different operating pressures. In one embodiment, a multi-pressure ratio valve is provided, the valve having a fluid bypass portion and being configurable into a plurality of pressure ratio configurations by selectively blocking a portion of the fluid bypass such that the pressure ratio of the valve assembly may be varied. Embodiments of the invention may also include a valve sleeve configured for use in a plurality of transmissions, the multi-pressure ratio valve being configured to be slidably disposed within the sleeve.


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