31
Stuart J Robertson, Nils E Tellier: Dynamic heat sink engine. R Michael West, May 23, 2006: US07047744 (69 worldwide citation)

A dynamic heat sink engine including a storage vessel having a working fluid outlet and a working fluid inlet. The lower portion of the storage vessel contains a cryogenic working fluid, such as liquid hydrogen, at a temperature at near its boiling point. The engine further includes a working fluid ...


32
Neil E Rogen: Pumping by martensitic transformation utilization. Jerry Cohen, M Lawrence Oliverio, September 18, 1984: US04472113 (68 worldwide citation)

Pumping in oil wells and like power conversion applications is carried out in an economical manner with efficient utilization of energy and low capital cost by pushing or pulling the plunger mechanism (of conventional type) with a metal wire, rod or tube arranged as a helical coil spring and constru ...


33
Ben M Enis, Paul Lieberman: Method and apparatus for using wind turbines to generate and supply uninterrupted power to locations remote from the power grid. J John Shimazaki, August 9, 2005: US06927503 (63 worldwide citation)

The present invention relates to a wind energy generating and storing system comprising methods and apparatuses for providing energy dedicated for immediate use and energy storage, to provide electrical power on an uninterrupted and continous basis, to locations remote from an electrical power grid. ...


34
William H Woebkenberg Jr, Dominick A DeAngelis: Shape memory metal actuated separation device. Martin Marietta Corporation, Clement A Berard Jr, William H Meise, May 17, 1994: US05312152 (62 worldwide citation)

A shape memory alloy (SMA) actuator predeformed in tension actuates a separation device mechanism. A segmented nut, which engages a threaded bolt to be held and released, is held together by a nut retainer that is movable with respect to the nut and is affixed to the SMA element. The SMA element is ...


35
John W Kroll, Michael S Baran, James E Mading: Bistable SME actuator with retainer. Eaton Corporation, Ancrus Sceales Starke & Sawall, December 19, 1989: US04887430 (60 worldwide citation)

In a bistable shape memory effect, SME, mechanism having first and second opposing shape memory effect, SME, elements (16, 20) moving an actuator (12) along a travel stroke between respective first and second positions upon heating of the respective SME element above its transition temperature mecha ...


36
Thomas Hartman Jr, Ronald D Evans, Bruce G Nimmo: Multi-use absorption/regeneration power cycle. said Thomas L Hartman Jr, Julian C Renfro, March 1, 1977: US04009575 (60 worldwide citation)

A method, and apparatus for implementing the method, for simultaneously generating electrical power and producing refrigeration, utlizing an absorption/regeneration power cycle, and performing useful work with the heat rejected from the cycle. In the cycle, a working fluid is absorbed by a carrier f ...


37
Brody Warren M, Johnson Avery R: Soft control materials. Pascal Edward E, June 18, 1974: US3818487 (60 worldwide citation)

Soft control material usable as an interactive device with a user, or as a medium of communication between users on the tactile and least complex level. The material is self organizing; it uses distributed, self referent, and majority control of regions of the material, which allows greatly reduced ...


38
Narutaka Yoshida: Image-forming apparatus and a method for a detecting developer amount therein. Minolta Camera Kabushiki Kaisha, Burns Doane Swecker & Mathis, July 30, 1991: US05036358 (59 worldwide citation)

An image-forming apparatus includes: a photosensitive member; a developing device; a developer accommodating device for accommodating the developer to be supplied to the developing device, the accommodating device having a housing of which a first and second windows made of transparent members are a ...


39
Arlin C Lewis: Solar-wind energy conversion system. Sughrue Mion Zinn Macpeak & Seas, January 19, 1982: US04311011 (59 worldwide citation)

A combined solar-wind energy conversion system in which the combined effects of solar and wind energy are utilized in raising water from a lower to an upper water storage tank to increase its potential energy for generation of electricity. Incoming solar energy heats water to form steam which is tem ...


40
Kaigham J Gabriel, William S N Trimmer, James A Walker: Shape memory alloy actuator. American Telephone and Telegraph Company AT&T Bell Laboratories, Jerry W Herndon, October 20, 1987: US04700541 (58 worldwide citation)

An electrically controlled shape memory alloy actuator capable of being miniaturized for use in robotics and other fields. The actuator is made of a shape memory alloy wire which is torsioned end along its longitudinal axis and with its ends constrained against movement. A lever or other suitable el ...