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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.:

US 9828940 B1

PDFFull Text
Date of Patent:
Nov. 28, 2017

Filed:

Mar. 14, 2014

Stirling cycle machine

Applicant:

New Power Concepts Llc, Manchester, NH (US);

Inventors:

Christopher Charles Langenfeld, Nashua, NH (US);

Prashant Bhat, Manchester, NH (US);

Assignee:

New Power Concepts LLC, Manchester, NH (US);

Attorney:

Michael George Norris

Primary Examiner:

Mark Williams

Int. Cl.
CPC ...
E05C 1/12 (2006.01); F02G 1/053 (2006.01); F02G 1/044 (2006.01); F01K 25/00 (2006.01); F16J 15/44 (2006.01); F16J 15/52 (2006.01); F28F 1/40 (2006.01); F28F 1/42 (2006.01); F28F 9/02 (2006.01); F28F 13/06 (2006.01); F28F 27/00 (2006.01); F28D 7/02 (2006.01); F28D 7/06 (2006.01); F28F 1/12 (2006.01); F28F 1/14 (2006.01); F16J 3/06 (2006.01); F23C 7/00 (2006.01); F23D 14/02 (2006.01); E05C 1/06 (2006.01); F28D 17/02 (2006.01);
U.S. Cl.
CPC ...
F02G 1/0535 (2013.01); F01K 25/00 (2013.01); F02G 1/044 (2013.01); F16J 3/06 (2013.01); F16J 15/441 (2013.01); F16J 15/52 (2013.01); F23C 7/004 (2013.01); F23D 14/02 (2013.01); F28D 7/024 (2013.01); F28D 7/06 (2013.01); F28F 1/124 (2013.01); F28F 1/126 (2013.01); F28F 1/14 (2013.01); F28F 1/40 (2013.01); F28F 1/42 (2013.01); F28F 9/026 (2013.01); F28F 13/06 (2013.01); F28F 27/00 (2013.01); F02G 2244/52 (2013.01); F02G 2244/54 (2013.01); F02G 2253/03 (2013.01); F02G 2253/06 (2013.01); F02G 2253/08 (2013.01); F02G 2253/10 (2013.01); F02G 2254/10 (2013.01); F02G 2254/50 (2013.01); F02G 2254/60 (2013.01); F02G 2256/04 (2013.01); F02G 2257/00 (2013.01); F02G 2270/40 (2013.01); F02G 2270/85 (2013.01); F28D 17/02 (2013.01); F28F 2255/14 (2013.01);
Abstract

A rod seal assembly. The rod seal assembly includes a housing between two spaces configured to receive a reciprocating rod, the reciprocating rod disposed within a first space and a second space, a floating bushing configured to move axially and radially within the housing and disposed coaxially around the reciprocating rod, a rod seal configured to seal the outside diameter of the reciprocating rod relative to an inside surface of the floating bushing, and at least one stationary bushing fixed within the housing that may form a seal with the floating bushing to the axial flow of fluid in the presence of a pressure difference between the two spaces.

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