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특허 상세정보

Stirling engine with improved piston ring assembly

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F16J-009/02   
미국특허분류(USC) 92/200 ; 277/26 ; 277/27 ; 277/165
출원번호 US-0665700 (1984-10-29)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 21  인용 특허 : 1
초록

An improved piston ring assembly, particularly for a Stirling engine, comprises a piston ring made from a TFE fluorocarbon such as Rulon which is disposed in a piston ring groove and is acted upon by an annular bi-metal element disposed between the groove and the ring. When the engine is cold, the bi-metal element urges the ring outwardly so that a flat radially outer surface of the ring is forced into face-to-face contact with the cylinder wall. When the engine has warmed up, the force of the element of the piston ring is relaxed and the thermal expansi...

대표
청구항

In an engine having a reciprocating piston axially stroking within a walled cylinder by a pressure differential acting on opposite axial sides of the piston and an annular piston ring disposed in an annular piston ring groove around the piston for sealing between the piston and the wall of the cylinder to resist leakage past the piston, the improvement characterized in that the piston ring is endowed with a flat radially outwardly facing annular axial surface confronting the cylinder wall, temperature responsive means arranged within the groove for coact...

이 특허를 인용한 특허 피인용횟수: 21

  1. Lemoine, Jonathan; Porter, Steven D.. Compliant seal assembly and method of operating. USP20180810047623.
  2. Johansson, Stefan; Domanski, Christopher. Control valve for a stirling engine. USP2013098534063.
  3. Houtman William H. ; Domanski Christopher E. ; Chapin James C.. Crosshead system for stirling engine. USP1998065771694.
  4. Kamen, Dean; Langenfeld, Christopher C.; Bhat, Prashant; Norris, Michael G.. Floating rod seal for a stirling cycle machine. USP2017119822730.
  5. Ziph,Benjamin; Domanski,Christopher. Hydrogen equalization system for double-acting stirling engine. USP2007037194858.
  6. Langenfeld, Christopher C.; Bhat, Prashant; Bhat, Mithun R.; Kamen, Dean. Linear cross-head bearing for stirling engine. USP2017109797341.
  7. Fisher-Votava Martha (Rockford IL). Multi-stage compressor with seal heating. USP1990114968219.
  8. Domanski Christopher E. ; Houtman William H. ; Ziph Benjamin. Piston assembly for stirling engine. USP1999025865091.
  9. Johansson, Stefan; Domanski, Christopher. Pressure equalization system for a stirling engine. USP2013128601809.
  10. Putkowski, Julian; Sandberg, Hans Fredrik. Pressure released wiper assembly. USP2018069989152.
  11. Johansson, Stefan; Domanski, Christopher. Rod seal assembly for a stirling engine. USP2013088516813.
  12. Edlund Roy (Stuttgart DEX). Sealing ring structure. USP1990034911455.
  13. Kamen, Dean; Langenfeld, Christopher C.; Bhat, Prashant; Norris, Michael G.; Smith, III, Stanley B.; Werner, Christopher M.. Stirling cycle machine. USP2014078763391.
  14. Kamen, Dean; Langenfeld, Christopher C.; Bhat, Prashant; Norris, Michael G.; Smith, III, Stanley B.; Werner, Christopher M.. Stirling cycle machine. USP2017109797340.
  15. Kamen, Dean; Langenfeld, Christopher C.; Bhat, Prashant; Norris, Michael G.; Smith, III, Stanley B.; Werner, Christopher M.; Peretz, David J.; Yoo, Brian H.; Winkler, Felix. Stirling cycle machine. USP2017119823024.
  16. Kamen, Dean; Langenfeld, Christopher C.; Bhat, Prashant; Smith, III, Stanley B.. Stirling cycle machine. USP2013078474256.
  17. Langenfeld, Christopher Charles; Bhat, Prashant. Stirling cycle machine. USP2017119828940.
  18. Houtman William H. (Ann Arbor MI). Stirling engine. USP1997035611201.
  19. Houtman, William H.. Stirling engine with swashplate actuator. USP2004066751955.
  20. Kamen, Dean; Langenfeld, Christopher C.. Thermal energy recovery system. USP2016099441575.
  21. Irvine Bruce W. (856 Andover Crescent West Vancouver ; British Columbia CAX V7S 1Y5) Irvine Bruce G. R. (2908 Dickerson Place Victoria ; British Columbia CAX V9B 2G7). seal. USP1991045009455.