Patents for F03G 7 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for (9,673)
06/1993
06/29/1993US5222362 Heat-activated drug delivery system and thermal actuators therefor
06/28/1993CA2077026A1 Rotation promoting means for rotating shaft and power generation system provided with said rotation promoting means
06/23/1993EP0547580A1 Walking expansion actuator
06/17/1993CA2070711A1 Walking expansion actuator
06/09/1993CN2135661Y Hot water energy storage device
06/08/1993CA1318796C Apparatus for converting extrinsic useless oscillation motions into useful torque
05/1993
05/26/1993CN1020940C Apparatus for converting extrinsic useless oscillation motions into useful torque
05/25/1993US5214737 Optically operated actuator
05/19/1993EP0541761A1 Power and propulsion system utilizing fluid
05/19/1993CN2133687Y Driving device for generator installed on highway
05/12/1993EP0540510A1 Micromechanic manipulator.
05/11/1993US5210817 Actuator
04/1993
04/28/1993CN1071491A Method of producing power
04/20/1993US5203173 Device for utilization of geothermal energy
04/20/1993US5203171 Rotary electrothermal actuator
04/14/1993CN1070982A Method of and means for extracting heat from hot fluid containing foreign material that interferes with heat transfer
04/01/1993DE4131990A1 Power generating installation deriving electrical energy from earth heat - involves steam boiler with steam turbine and generator in deep earth location
03/1993
03/16/1993US5193343 For generating pressure forces
03/09/1993US5192899 Electromagnetically powered rotary motor apparatus and method
03/03/1993EP0528987A1 Electromagnetically powered engine apparatus and method
03/03/1993EP0309467B1 Thermodynamic cycle
02/1993
02/25/1993DE4127526A1 Gas generator cell - where metallic and electrically conducting gas development cell is in vessel sealed by upper membrane incorporating electrical pole
02/16/1993US5186420 Articulated fin/wing control system
02/04/1993WO1993001970A1 A floating platform for submerged hydroelectric generating stations and/or foundation supports for constructions of any kind
02/04/1993DE4126067A1 Piston type heat engine
02/02/1993US5183879 Polymer gel manufacturing methods
02/02/1993US5182910 Micromechanical manipulator
01/1993
01/19/1993CA1312782C Method and apparatus for cryogenic liquid expansion
01/12/1993US5177969 Thermochemical actuation method and apparatus
01/12/1993US5177963 Thermo-actuator with lubricant filled seal bag
01/07/1993WO1993000299A1 Plant for sea water desalinizing using solar energy preferably accompanied by electric power generation
01/07/1993CA2112573A1 Plant for seawater desalinizing using solar energy preferably accompanied by electric power generation
01/05/1993US5176544 Shape memory actuator smart connector
12/1992
12/29/1992US5174497 Cryogenic pilot valve
12/24/1992DE4140778A1 Energy generation system using earth surface heat - uses circulated refrigeration medium vapour fed through expansion turbine
12/23/1992WO1992022746A1 Gravity prime mover
12/22/1992US5172551 Actuator
12/10/1992DE4125923A1 Energy saving current generating system - uses two sets of rotors having cores with torque applied in their direction of rotation for high speed and two drive motors
12/10/1992DE4118350A1 Piston type heat engine
12/05/1992CA2067597A1 Compact acoustic refrigerator
12/02/1992WO1992021862A1 Power and propulsion system utilizing fluid
12/02/1992EP0516258A2 Heat engine
12/02/1992EP0515984A1 Electrochemical actuator
12/02/1992CA2088361A1 Power and propulsion system utilizing fluid
12/01/1992US5167124 Compression-evaporation cooling system having standing wave compressor
11/1992
11/24/1992US5165243 Compact acoustic refrigerator
11/24/1992US5165235 System for using geopressured-geothermal reservoirs
11/17/1992US5164629 Vibration wave driven motor
11/05/1992DE4113504A1 Use of shape-memory alloys - by means of wire-wound torsion element
11/04/1992EP0511422A1 Low temperature generation process and expansion engine
10/1992
10/28/1992CN1065705A Gravitational hydranlic energy amplifying back flow type engine
10/28/1992CN1065704A Electricity generating method using potential energy
10/27/1992WO1992019836A1 Engine for performing subsea operations and devices driven by such an engine
10/27/1992US5157922 Device for generating utilizable energy from potential energy
10/27/1992CA2109107A1 Machine for subsea operations
10/24/1992CA2041071A1 Air engine
10/20/1992US5155965 Method of repairing cracks
10/09/1992WO1992017703A1 High force thermochemical actuator
10/07/1992CN1065126A Energy-produced power machine
09/1992
09/29/1992US5150770 Recharge device, particularly for drive mechanisms for extending and withdrawing operative members of a space vehicle
09/29/1992CA2039495A1 Heat exchanger duct
09/24/1992DE4109585A1 Heat engine with shape memory alloy wires - has power transmission by traction on rotational axle
09/23/1992CN2116789U Gravity turning power device for automobile jolt in movement
09/22/1992US5149413 Efficient electrochemical motor
09/02/1992CN1064136A 热能机 Heat machine
08/1992
08/26/1992EP0407408B1 Process and installation for recuperation of energy from oil wells
08/19/1992CN2113357U Wave energy utilization device
08/18/1992CA1306328C Memory element
08/12/1992EP0498136A1 Unit for generating mechanical energy
08/12/1992CN2112704U Dynamic magnetic suspending buffer automobile engine
08/12/1992CN2112703U Fluid pressure large threshold value reinforced driving device
07/1992
07/29/1992EP0496183A1 Recharge device, particularly for drive mechanisms for extending and withdrawing operative members of a space vehicle
07/22/1992EP0494997A1 Hydraulic shape memory material force converter.
07/14/1992US5129753 Shape memory wire latch mechanism
07/14/1992CA1305109C Thermo-actuator
07/08/1992EP0478716A4 Semiconductor microactuator
07/07/1992US5127228 Shape memory bi-directional rotary actuator
07/02/1992DE4042319A1 Mechanical force generator - has hollow body, and slide, subjected to different pressures, resulting in energy
07/02/1992DE4041680A1 Heat exchange energy generating using ambient temp. and pressure magnitude - involves gas turbines driving energy converters generating heat for chamber contained gas
07/02/1992DE4040397A1 Pneumatic motor as universal drive machine - generates differential air pressure for drive by air centrifuge
07/01/1992EP0491705A1 Power booster
07/01/1992EP0409887B1 Actuator with memory metal and a shock absorber provided with this actuator
06/1992
06/16/1992US5121606 Thermodynamic cyclic process
06/08/1992CA2031724A1 Nuclear-hydro turbine engine
06/02/1992US5119061 Thermo-actuator
06/02/1992US5117908 Method and equipment for obtaining energy from oil wells
05/1992
05/27/1992EP0486825A2 Electro-hydraulic driving device
05/27/1992DE4037446A1 Temp.-dependent expansion material element actuator - controls working piston position, e.g. for valve, by heating element in electrical circuit and mounted on element
05/13/1992EP0485116A2 Thermo-actuator
05/12/1992CA1300580C Sme actuator
05/05/1992CA1299967C Fire sprinklers
04/1992
04/30/1992DE4139374A1 Pressure producer - creates pressure difference through thermo-diffusion of gases through throttle
04/30/1992DE4034219A1 Electrical generator drive system operated by passing vehicle - uses press of vehicle wheels on press pad or press rail to rotate generator drive shaft
04/28/1992US5107682 Maximum ambient cycle
04/22/1992EP0207951B1 Osmotic concentration by membrane
04/16/1992WO1992006296A1 System for maintaining or modifying constant temperatures
04/15/1992CN1060339A Fluid gain machine by spraying cyclone
04/08/1992EP0478716A1 Semiconductor microactuator.
04/08/1992CN2101121U Wind power generating elevice
04/08/1992CN2101120U Storage device for vibration energy
1 ... 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 ... 97