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.:
Date of Patent:
Feb. 28, 2006
Filed:
Sep. 12, 2001
Applicant:
Shiyuan (Denny) Cheng, Richardson, TX (US);
Inventor:
Shiyuan (Denny) Cheng, Richardson, TX (US);
Assignee:
Mykrolis Corporation, Billerica, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 3/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
Embodiments of the present invention provide a pendulum valve with a full range of normal position control. The pendulum valve can include a valve housing having a flow channel, and a valve body that is movable within the valve housing between a fully open position and at least one closed position. The pendulum valve can also include an electrical control mechanism operable to position the valve body in any one of a range of partially open positions.