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특허 상세정보

Free piston stirling machine having a controllably switchable work transmitting linkage between displacer and piston

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F25B-009/00   
미국특허분류(USC) 62/6 ; 60/520
출원번호 US-0349947 (1994-12-06)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 22  인용 특허 : 0
초록

Free piston Stirling coolers and engines are improved by a variable power transmitting linkage connecting the displacer to the piston and coupling more power from the displacer to the piston while piston displacement exceeds a selected limit than coupled while piston displacement is less than the selected limit. Adjustment of the position of the limit is used to control stroke amplitude, power output or thermal pumping rate.

대표
청구항

A method for controlling the amplitude of oscillation of a free piston, Stirling cycle, thermomechanical transducer having a displacer and a piston which reciprocate in periodic cycles, the method comprising: coupling more power from the displacer to the power piston when the piston displacement exceeds a selected displacement limit which is spaced from a central position of the piston\s reciprocation path and coupling less power from the displacer to the power piston when the piston displacement is less than the selected limit.

이 특허를 인용한 특허 피인용횟수: 22

  1. Cheung,Jeffrey T.; Latty,James A.. Autonomous power source. USP2006037009310.
  2. Poese, Matthew E.; Smith, Robert W. M.; Wakeland, Ray S.; Garrett, Steven L.. Compliant enclosure for thermoacoustic device. USP2004096792764.
  3. Poese,Matthew L.; Smith,Robert W. M.; Wakeland,Ray S.; Garrett,Steven L.. Compliant enclosure for thermoacoustic device. USP2006067055332.
  4. Beale, William T.. Connection of a free-piston stirling machine and a load or prime mover permitting differing amplitudes of reciprocation. USP2010037685818.
  5. Unger, Reuven Z.; van der Walt, Nicholas R.; Keiter, Douglas E.. Control system and method for preventing destructive collisions in free piston machines. USP2003036536326.
  6. Wood, James Gary. Controller for reducing excessive amplitude of oscillation of free piston. USP2005076920967.
  7. Rhee, JuHun; Lee, Kyung-Hwan; Hyun, Bum-Seok; Sim, Eunsup. Cryocooler with variable compression depending on variations in load. USP2017039587860.
  8. Garrett, Steven L.. Cylindrical spring with integral dynamic gas seal. USP2004066755027.
  9. Williams, Jonathan H.. Engine for utilizing thermal energy to generate electricity. USP2012018096118.
  10. Chertok, Allan. Linear electrical machine for electric power generation or motive drive. USP2005076914351.
  11. Laqua, Ekkehard; Lehr, Walter; Kirner, Matthias. Method for load regulation in a thermal engine having a power generator. USP2003016507126.
  12. Hein,Dierk. Method for measuring pressure. USP2008017323858.
  13. Gross, William T.; Zsolnay, Denes L.; Jechel, Kurt E.. Moveable regenerator for stirling engines. USP2004036701708.
  14. Cale, E. Todd; Courtney, Aaron M.; Royse, Jerry A. Multi-piece piston for a free piston machine. USP2009107600464.
  15. Price Kenneth D. (Long Beach CA). Passive three state electromagnetic motor/damper for controlling stirling refrigerator expanders. USP1997105678409.
  16. Roche, John M.; Street, Norm E.; Shapiro, Doron. Refrigeration unit having a linear compressor. USP2009067540164.
  17. Roche,John M.; Street,Norm E.; Shapiro,Doron. Refrigeration unit having a linear compressor. USP2006047032400.
  18. Nachman Pundak IL. Stirling cooler. USP2002066397605.
  19. Spenceley, Christopher John; Silcock, Roger Stuart; Aldridge, Wayne Kenneth; McEntee, Jarlath Michael; Welty, Stephen Charles; Smith, Gordon; Hardingham, Christopher Mark. Stirling engine instability detection and prevention. USP2010047705479.
  20. Shimizu,Katsumi; Nishi,Naoki. Stirling refrigerator and method of controlling operation of the refrigerator. USP2006107121099.
  21. Smith, Robert W. M.; Poese, Matthew E.; Garrett, Steven L.; Wakeland, Ray S.. Thermoacoustic device. USP2004046725670.
  22. Smith,Robert W. M.; Poese,Matthew E.; Wakeland,Ray S.; Garrett,Steven L.. Thermoacoustic device. USP2006127143586.