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:
Nov. 26, 2019

Filed:

Jan. 22, 2016
Applicant:

Litens Automotive Partnership, Woodbridge, CA;

Inventors:

Roman Tracz, Mississauga, CA;

Jacek Stepniak, Innisfil, CA;

Ivan Ferlik, Richmond Hill, CA;

Leonid Katsman, Richmond Hill, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 15/00 (2006.01); F04D 29/20 (2006.01); F04D 29/22 (2006.01); F04D 29/24 (2006.01); F01P 5/12 (2006.01);
U.S. Cl.
CPC ...
F04D 15/0027 (2013.01); F01P 5/12 (2013.01); F04D 29/20 (2013.01); F04D 29/2261 (2013.01); F04D 29/247 (2013.01);
Abstract

In an aspect, there is provided a pump impeller assembly that includes a first impeller portion arranged to drive a fluid through a fluid conduit, a second impeller portion movable between a more-rotationally engaged position in which the second impeller portion has a first amount of rotational engagement with the first impeller portion, and a less-rotationally engaged position in which the second impeller portion has a second amount of rotational engagement with the first impeller portion that is less than the first amount of rotational engagement, and an actuator operatively connected to the second impeller portion and configured to drive movement of the second impeller portion between the more-rotationally engaged position and the less-rotationally engaged position based on a fluid property.


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