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:
Jun. 26, 2018
Filed:
May. 11, 2015
Applicant:
Emerson Electric Co., St. Louis, MO (US);
Inventor:
John M. Bronson, St. Louis, MO (US);
Assignee:
Emerson Electric Co., St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24H 9/20 (2006.01); F16K 31/128 (2006.01); G05D 16/20 (2006.01);
U.S. Cl.
CPC ...
F24H 9/2035 (2013.01); F16K 31/128 (2013.01); G05D 16/2093 (2013.01);
Abstract
Disclosed are exemplary embodiments of apparatus and methods for slow-opening and fast-closing of a gas valve. In an exemplary embodiment, a gas valve generally includes an inlet, and at least one bi-directional metering orifice configured to discharge gas from the inlet in a first direction in the gas valve to provide a slow opening of the gas valve, and to discharge gas in a second direction in the gas valve to provide a fast closing of the gas valve.