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:
Mar. 24, 2020
Filed:
May. 03, 2018
Applicant:
Fisher Controls International Llc, Marshalltown, IA (US);
Inventor:
Trenton Frank Jackson, Marshalltown, IA (US);
Assignee:
FISHER CONTROLS INTERNATIONAL LLC, Marshalltown, IA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 9/08 (2006.01); F16J 1/00 (2006.01); F15B 15/14 (2006.01); F16J 1/08 (2006.01);
U.S. Cl.
CPC ...
F16J 9/08 (2013.01); F15B 15/1452 (2013.01); F16J 1/008 (2013.01); F16J 1/08 (2013.01);
Abstract
Pistons are disclosed herein. An apparatus includes an actuator defining a first chamber; and a piston disposed in the first chamber, the piston including a second chamber and a seal groove in which a seal is disposed, the second chamber to receive fluid from the first chamber to enable a force imparted by the fluid within the second chamber to urge the seal into sealing engagement with a surface defining the first chamber.