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:
Dec. 26, 2023

Filed:

Apr. 04, 2022
Applicant:

Cooper-standard Automotive Inc, Northville, MI (US);

Inventor:

David S. Malone, Attica, MI (US);

Assignee:

Cooper-Standard Automotive Inc., Northville, MI (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F04D 1/06 (2006.01); F04D 17/12 (2006.01); F04D 13/16 (2006.01); F04D 29/42 (2006.01); F04D 13/06 (2006.01); F04D 15/00 (2006.01); F04D 29/48 (2006.01); F24D 3/10 (2006.01); A47L 15/42 (2006.01); F04D 29/043 (2006.01); F04D 25/06 (2006.01); F04D 1/00 (2006.01);
U.S. Cl.
CPC ...
F04D 1/06 (2013.01); A47L 15/4221 (2013.01); A47L 15/4225 (2013.01); F04D 13/06 (2013.01); F04D 13/16 (2013.01); F04D 15/0005 (2013.01); F04D 15/0011 (2013.01); F04D 15/0016 (2013.01); F04D 17/12 (2013.01); F04D 29/426 (2013.01); F04D 29/4293 (2013.01); F04D 29/486 (2013.01); F24D 3/105 (2013.01); F04D 1/00 (2013.01); F04D 25/06 (2013.01); F04D 29/043 (2013.01); F05D 2250/52 (2013.01);
Abstract

A pump assembly is disclosed comprising a pump body having a first pump stage housed in the pump body including a fluid inlet and a first and a second fluid outlet. A flow feed chamber is housed in the pump body in fluid communication with the second fluid outlet. A second pump stage housed in the pump body is in fluid communication with the flow feed chamber and includes at least one fluid outlet connected to the second pump stage. A valve assembly is operable into a first position to fluidically connect the fluid inlet through the first pump stage to the first fluid outlet. The valve assembly is further operable into a second position to fluidically connect the first pump stage to the second fluid outlet and the flow feed chamber and the flow feed chamber fluidically connected to the at least one fluid outlet through the second pump stage.


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