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특허 상세정보

Self-protecting and conditioning memory metal actuator

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H01H-061/08    F01B-029/10   
미국특허분류(USC) 337/140; 060/527
출원번호 US-0687049 (1984-12-28)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Blecker, Ira D.Peterson, James W.Burkard, Herbert G.
인용정보 피인용 횟수 : 35  인용 특허 : 6
초록

A shape-memory-effect actuator is provided having a shape-memory-alloy spring and a compensator spring. The alloy spring is operatively connected to a concentrically-mounted compensator spring by the use of a protective support housing which surrounds the alloy spring. The actuator includes a shape-memory-alloy spring and a compensator spring that regulates the operating conditions of the shape-memory-alloy spring to a chosen corresponding memory relaxation curve. The memory relaxation curve defines the actuator's operating stress, stroke and life.

대표
청구항

1. A shape-memory-effect actuator comprising: a shape-memory-alloy spring having first and second ends; a first actuator termination connected to the second end of the alloy spring; a means; a compensator spring having first and second ends, said compensator spring second end operatively connected in series by said means to said alloy spring first end; and a second actuator termination connected to the first end of the compensator spring; said shape-memory-alloy spring upon recovering with each operating cycle exerting a force throughone of said ...

이 특허를 인용한 특허 피인용횟수: 35

  1. Mankame, Nilesh D.; Usoro, Patrick B.; Browne, Alan L.; Skurkis, Richard J.; Johnson, Nancy L.; Gao, Xiujie. Accelerating cooling in active material actuators using heat sinks. USP2013108567188.
  2. Szilagyi,Andrei. Actuator for two angular degrees of freedom. USP2006107117673.
  3. Schleppenbach, David A.; Lau, Wunji; Said, Joe P.. Apparatus and methods for a shape memory spring actuator and display. USP2004036705868.
  4. Schleppenbach,David A.; Lau,Wunji; Said,Joe P.. Apparatus and methods for a shape memory spring actuator and display. USP2006037018209.
  5. Park, Jun-Cheol. Apparatus for controlling exhaust attack angle for a variable turbine. USP2005056892538.
  6. Mills, Patrick Wellington; McCormick, James Michael; Geier, David Michael. Circuit interruption device employing shape memory alloy element. USP2016089425014.
  7. Gao, Xiujie; McKnight, Geoffrey P.; Herrera, Guillermo A.; Churchill, Christopher B; Johnson, Nancy L.; Browne, Alan L.; Sarosi, Peter Maxwell; Alexander, Paul W.. Compensating for incomplete reversal in mechanisms incorporating shape memory alloy wire. USP2015059021801.
  8. Maynard Ronald S.. Distributed activator for a two-dimensional shape memory alloy. USP2000106133547.
  9. Maynard Ronald S.. Distributed activator for a two-dimensional shape memory alloy. USP1999085941249.
  10. Kudla David P. (Dayton OH) Holbrook Susan E. (Vandalia OH). Electric motor with locking apparatus. USP1989044823035.
  11. Rudduck, Dickory; Goldspink, Lachlan Richard; Sizer, Geoffrey David; Blattmann, Lee David; Farren Price, Edward David James; Park, Joshua Robert. Fixing and release systems and fastener networks. USP2009107600301.
  12. MacGregor,Roderick; Szilagyi,Andrei; Von Behrens,Peter Emery. Flow control assemblies having integrally formed shape memory alloy actuators. USP2006087093817.
  13. MacGregor,Roderick; Szilagyi,Andrei; Von Behrens,Peter Emery. Flow control assemblies having integrally formed shape memory alloy actuators. USP2008047350762.
  14. MacGregor,Roderick; Szilagyi,Andrei. Gauge pointer with integrated shape memory alloy actuator. USP2006087082890.
  15. Gschwend, Hans; Spasov, Robert. Hand-operated drive-in power tool. USP2012088245896.
  16. Von Behrens,Peter Emery; Fairbanks,Dylan Miller. High stroke, highly integrated SMA actuators. USP2006037017345.
  17. Maynard Ronald S.. Method of making a distributed activator for a two-dimensional shape memory alloy. USP2001086278084.
  18. Von Behrens, Peter E.; Fairbanks, Dylan M.. Methods of manufacturing highly integrated SMA actuators. USP2012038127543.
  19. Rudduck, Dickory. Multi-function tool. USP2012058166836.
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  21. von Behrens, Peter Emery; Fairbanks, Dylan Miller; Broughton, Kathryn Ann. Reusable shape memory alloy activated latch. USP2005126972659.
  22. von Behrens,Peter E.; Fairbanks,Dylan M.. SMA actuator with improved temperature control. USP2006016981374.
  23. Tabei Kazuhiko (Ashikaga JPX) Saito Sadao (Kitamoto JPX) Kai Shunichi (Kitamoto JPX). Sealant injector. USP1990024899910.
  24. Maynard Ronald S.. Selectively activated shape memory device. USP2001016169269.
  25. Maynard Ronald S.. Selectively activated shape memory device. USP2001116323459.
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  27. Wood,Jeffrey H. Shape changing structure. USP2007057216831.
  28. Mooney, Brian Frederick; Papallo, Thomas Frederick; Kumfer, Brent Charles. Shape memory alloy actuated circuit breaker. USP2014098830026.
  29. Nicolini, Emanuele; Alacqua, Stefano. Shape memory alloy actuating element with improved fatigue resistance. USP2017059664182.
  30. Butera,Francesco; Alacqua,Stefano. Stop device with shape memory actuator. USP2006077073332.
  31. Ghorbal, Ali; Surendran, Sandheep K.; Szilagyi, Andrei; von Behrens, Peter Emery; Maeder, Jean-Pierre. System, method and apparatus for reducing frictional forces and for compensating shape memory alloy-actuated valves and valve systems at high temperatures. USP2010077748405.
  32. Ohashi Toshio (Atsugi JPX). Valve actuating arrangement. USP1989124884780.
  33. Rey, Nancy M.; Miller, Robin Mihekun; Tillman, Thomas G.; Rukus, Robert M.; Kettle, John L.. Variable area nozzle for gas turbine engines driven by shape memory alloy actuators. USP2004056735936.
  34. Rey,Nancy M.; Miller,Robin M.; Tillman,Thomas G.; Rukus,Robert M.; Kettle,John L.. Variable area nozzle for gas turbine engines driven by shape memory alloy actuators. USP2006027004047.
  35. Gajewski, Witold; Cleland, Terry P.; Spicer, Gary J.; Staniewicz, Zbyslaw. Vibration compensating pulley. USP2013108550945.