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. 06, 2016

Filed:

Jun. 18, 2015
Applicant:

Dunan Microstaq, Inc., Austin, TX (US);

Inventors:

Edward Nelson Fuller, Manchester, MI (US);

Parthiban Arunasalam, Austin, TX (US);

Chen Yang, Austin, TX (US);

Joe A. Ojeda, Sr., Austin, TX (US);

Gengxun K. Gurley, Hutto, TX (US);

Assignee:

DunAn Microstaq, Inc., Austin, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 3/00 (2006.01); F16K 99/00 (2006.01);
U.S. Cl.
CPC ...
F16K 99/0028 (2013.01); F16K 99/0011 (2013.01); F16K 99/0059 (2013.01);
Abstract

A microvalve includes a first plate having an inner surface, a recessed region provided within the inner surface, a normally open fluid port and a normally closed fluid port provided within the recessed region. A first sealing structure extends about the normally open fluid port, and a second sealing structure extends about the normally closed fluid port. A second plate defines a non-movable portion and a movable portion. A surface of the non-movable portion abuts the inner surface of the first plate, the non-movable portion having an opening formed therethrough. The movable portion is formed within the opening, has an axis, and defines a displaceable member connected to the non-movable portion by a convoluted spring formed in the opening. The displaceable member is slidingly and axially movable within the opening between a first position, wherein the displaceable member cooperates with the second sealing structure to prevent fluid communication through the normally closed fluid port, and a second position, wherein the displaceable member does not cooperate with at least a portion of the second sealing structure to prevent fluid communication through the normally closed fluid port.


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