Patents
Sitemap › F03 - Machines or engines for liquids; Wind, spring, or weight motors; Producing mechanical power or a reactive propulsive thrust, not otherwise provided for › F03G - Spring, weight, inertia, or like motors; Mechanical-power-producing devices or mechanisms, not otherwise provided for or using energy sources not otherwise provided for › F03G 7 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
Patents for F03G 7 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for (9,673)
12/1989
12/19/1989US4887429 Electro-thermal actuator
12/14/1989WO1989011780A2 Process and turbo-machine for fluid flow generation
12/12/1989US4885913 Open cycle latent heat engine
12/05/1989US4884780 Valve actuating arrangement
11/1989
11/29/1989CN1005922B Solar engine
11/23/1989DE3815782A1 Body-weight energy conversion device
11/08/1989EP0340364A1 Actuator
11/08/1989CN1037018A Atmospheric machine
11/07/1989US4878349 Atmospheric latent heat engine
10/1989
10/19/1989WO1989009880A1 Actuator with memory metal and a shock absorber provided with this actuator
10/19/1989DE3807747A1 Energy device
10/17/1989US4873834 Cooling plant load reduction apparatus and method
10/11/1989CN2045785U Generating device using vehicle vibration energy
10/05/1989WO1989009338A1 Propulsion device
10/05/1989WO1989009323A1 Process and installation for recuperation of energy from oil wells
09/1989
09/26/1989US4869066 Method for the production of usable steam and non-toxic solids from geothermal brine
09/26/1989CA1261636A1 Method and equipment for converting thermal energy to mechanical energy
09/26/1989CA1260801A1 Energy storage and recovery
09/20/1989EP0333624A1 Selfpowered hydraulic motor
09/20/1989CN1035708A High efficient cryogenic engine
09/20/1989CN1035707A Comprehensive utilization technique of various energy
09/19/1989US4866939 Method and apparatus for extracting geothermal fluid
09/13/1989EP0331767A1 Driving mechanism for an orientable table
09/13/1989CN1035549A Oscillation-converting mode of full-automatic self-propelled vehicle
09/12/1989US4864824 Thin film shape memory alloy and method for producing
09/12/1989CA1259166A1 Process for drilling geothermal wells with removal of h.sub.2s
09/08/1989WO1989007970A1 Reversible mechanochemical engines comprised of bioelastomers capable of modulable inverse temperature transitions for the interconversion of chemical and mechanical work
08/1989
08/24/1989WO1989007535A1 Electric car with hydraulic circuit drive
08/22/1989US4858441 Heat-driven acoustic cooling engine having no moving parts
08/10/1989WO1989007198A1 Sea water well and aquaculture preserve, and the combination with a power generation system
08/09/1989EP0326736A2 Geothermal energy recovery apparatus
08/09/1989CN1034608A Thermo-motor
08/01/1989US4852528 Pneumatic actuator with permanent magnet control valve latching
07/1989
07/26/1989CN1034249A Technical scheme of perpetual machine by using the cold in winter and the heat in summer
07/13/1989DE3841640A1 Method of obtaining heat energy from environmental fluids
07/13/1989DE3744513A1 Drive
07/05/1989CN1033677A Power generation plant
07/05/1989CN1004720B Geothermal electropower station and its mode of operation
07/04/1989US4844162 Apparatus and method for treating geothermal steam which contains hydrogen sulfide
06/1989
06/28/1989EP0201546B1 Heat transfer device for the transport of large conduction flux without net mass transfer
06/27/1989US4841730 Thermal actuator
06/21/1989CN1033472A Thermodynamic cycle process
06/15/1989WO1989005244A1 Electric car
06/06/1989US4836496 SMF actuator
06/01/1989WO1989004913A1 Power generation plant
05/1989
05/31/1989EP0318208A2 Thermo-actuator
05/24/1989EP0317282A1 Hose construction
05/18/1989DE3835048A1 Heat engine for obtaining industrial work from atmospheric air heat
05/17/1989CN2037779U Nickel-titanium thermal engine
05/16/1989US4829843 Apparatus for rocking a crank
05/16/1989US4829767 Positioning device
04/1989
04/25/1989US4824447 Membrane, high and low pressure separators in tandem
04/25/1989US4824276 Helix coupling
04/24/1989EP0246275A4 Thermally powered engine.
04/18/1989US4821517 Multilayer laminated bladder filled with mixtures of freons
04/05/1989EP0310439A1 Fire sprinklers
04/05/1989EP0310294A2 Shape memory alloy element
04/05/1989EP0309467A1 Thermodynamic cycle.
03/1989
03/22/1989EP0308291A1 Device for exerting a variable pressure on an item by means of a bearing
03/15/1989CN1031747A Perpetual automatic vaccum liquid sucker
03/14/1989US4811564 Double action spring actuator
03/08/1989CN1031581A Cold energy engine
03/01/1989EP0304944A2 SME actuator
03/01/1989CN1031409A Floated ball type of power machine
02/1989
02/21/1989US4806815 Linear motion actuator utilizing extended shape memory alloy member
02/01/1989CN2031844U Internal energy motor which makes material deform and apply work by use of temp. difference
01/1989
01/31/1989US4801811 Method of and means for generating electricity in an arid environment using elongated open or enclosed ducts
01/31/1989US4801111 System for propulsion and positioning of a transitory object
01/31/1989US4800722 Method and equipment for converting thermal energy to mechanical energy
01/19/1989DE3722232A1 Osmotic cyclic process
01/17/1989US4798051 Rotary actuator with tailored torque output
12/1988
12/21/1988CN87102326A Quick-action element
12/14/1988CN87103896A Actuator for producing displacement movement on set temp. being reached
12/08/1988DE3717893A1 Arrangement for generating energy
12/06/1988CA1245992A1 Generation of electricity using gravitational energy
11/1988
11/22/1988US4785627 Drive device
11/01/1988US4781837 Method of performing osmetic distillation
11/01/1988US4781029 Methods and apparatus for ocean thermal energy conversion using metal hydride heat exchangers
11/01/1988CA1243846A1 Linear output nitinol engine
10/1988
10/19/1988EP0286780A1 Nitinol drive device
10/18/1988US4777799 Thermally stressed amorphous partition between crystalline zones blocks ion flow
10/11/1988US4776169 Geothermal energy recovery apparatus
10/05/1988CN88102260A System for generating power by vehicle movement and methods of constructing and utilizing same
10/05/1988CN86201100U Magnetic motor
09/1988
09/27/1988US4774066 Pollution control, removal of hydrogen sulfide, ammonia and carbon dioxide
09/22/1988WO1988007135A1 System for generating power by vehicle movement and methods of constructing and utilizing same
09/20/1988US4772807 Electric control device for controlling displacement of an element between two predetermined positions
09/14/1988CN87101819A Thermal expansion engine
09/13/1988CA1241845A1 Thermodynamic process for a practical approach to the carnot cycle
08/1988
08/30/1988US4766730 Gas ejecting system for main condenser in geothermal steam turbine plant
08/23/1988US4765139 Thermocouple for heating and cooling of memory metal actuators
08/16/1988US4763479 Removal of non-condensable gases, flashing, anaerobic process; nonprecipitation of toxic solids
08/09/1988US4761955 Rotary actuator utilizing a shape memory alloy
08/03/1988CN87106130A 振动能转换装置 Vibrational energy conversion device
08/02/1988US4760699 Thermostatic servo-motor, particularly for valves
07/1988
07/26/1988US4759189 Self-limiting thermal fluid displacement actuator
07/26/1988US4759187 Wire engine
07/12/1988US4756158 Method and equipment for converting thermal energy to mechanical energy
06/1988
06/28/1988US4753465 Remotely operable locking mechanism
06/21/1988US4751821 Digital linear actuator
1 ... 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97