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)
02/1981
02/24/1981US4251992 Pneumatic propulsion system
02/11/1981EP0023482A1 Apparatus for and methods of generating electrical power
02/10/1981US4249383 Method and apparatus for obtaining electrical power from sea water and other liquids
01/1981
01/27/1981US4246754 Solid state thermal engine
01/22/1981WO1981000138A1 Engine with non balanced forces
01/22/1981WO1981000137A1 Structure of force modifiers
01/20/1981US4245475 Method and apparatus for producing electricity from thermal sea power
01/13/1981US4244190 Oxidation of hydrogen sulfide to prevent metal sulfide deposit and produce useful steam power
01/07/1981EP0021302A1 Thermal-power plant fed by a geothermal heat source
01/07/1981EP0020366A1 Device for transforming heat into mechanical energy
12/1980
12/30/1980US4242571 Electro-thermal linear pull actuator
12/30/1980US4242305 Apparatus for controlling emissions of hydrogen sulfide from a system utilizing geothermal steam
12/24/1980WO1980002869A1 Circulation pump for liquid and/or gas medium
12/16/1980US4239975 Energy producing system
12/09/1980US4238687 Highway turbine
11/1980
11/25/1980US4235075 Method and apparatus for converting relatively low temperature heat energy into useful work
11/18/1980US4234269 Deployment, release and recovery of ocean riser pipes
11/18/1980US4233813 Ocean thermal engine
11/13/1980WO1980002450A1 Unidirectional force generator
11/12/1980EP0018719A1 Thermodynamic energy conversion system and method
11/11/1980US4232992 Geothermal turbine and method of using the same
11/11/1980US4232524 Production of industrial electrical energy from hydraulic energy
11/04/1980US4231312 Flexible ocean upwelling pipe
11/04/1980US4231223 Thermal energy scavenger (rotating wire modules)
10/1980
10/21/1980US4228657 Regenerative screw expander
10/15/1980EP0017357A1 Temperature responsive control device
10/14/1980CA1087579A1 Electro-thermal linear actuator with internal reservoir
09/1980
09/23/1980CA1086078A1 Thermal actuator and heater for same
09/16/1980US4222701 Pump module for a compliant underwater pipe system
09/16/1980US4222239 Heat engine
09/09/1980US4221504 Stabilization of subsea riser pipes having free lower ends
09/09/1980US4221115 Altitude gas pressure differential power plant
09/02/1980US4220006 Power generator
08/1980
08/20/1980EP0014659A1 Flexible device for sucking up large quantities of fluids, especially for pumping seawater from the depth
08/12/1980US4216657 Mist flow ocean thermal energy process
08/07/1980WO1980001593A1 Apparatus for and methods of generating electrical power
08/05/1980US4215976 Turbine-impeller pump for use in geothermal energy recovery systems
07/1980
07/29/1980US4214449 Thermal energy conversion system utilizing expandites
07/29/1980CA1082769A1 Method and apparatus for generating electricity by vehicle and pedestrian weight force
07/22/1980US4213302 Process and system for recovery of energy from geothermal brines and other water containing sources
07/22/1980CA1081973A1 Power generating system employing geothermally heated fluid
07/15/1980US4212329 Pipe construction and method of making same
07/08/1980US4211084 Conversion of energy by means of tethered whirlwinds
07/08/1980US4211078 Dynamic power source
07/01/1980US4210820 Open cycle ocean thermal energy conversion system structure
07/01/1980US4210819 Open cycle ocean thermal energy conversion steam control and bypass system
07/01/1980US4210030 Servo motor
07/01/1980US4209991 Dynamic positioning of sea thermal power plants by jet propulsion
07/01/1980US4209989 Servo motor operated by a heatable expansible substances
07/01/1980US4209982 Low temperature fluid energy conversion system
06/1980
06/26/1980WO1980001301A1 Energy conversion system for deriving useful power from sources of low level heat
06/24/1980CA1080060A1 Three port thermal vacuum valve with electrical switch
06/17/1980US4207767 Thermostatic expansible work element
05/1980
05/13/1980US4202864 Geothermal
05/13/1980US4202177 Energy production for complex geothermal waters
05/06/1980US4201060 Geothermal power plant
04/1980
04/30/1980EP0010089A1 Engine with contraction-active, ion-separating means
04/29/1980US4200807 Method of electrical closed heat pump system for producing electrical power
04/15/1980US4197709 Thermal energy scavenger (stress limiter)
04/15/1980US4197708 Thermal energy scavenger (alternating stress limiters)
04/08/1980US4196590 Vapor buoyancy engine
04/01/1980US4196183 Process for purifying geothermal steam
04/01/1980US4195486 Energy generating device
04/01/1980US4195483 Engine apparatus
03/1980
03/20/1980WO1980000474A1 Device for transforming heat into mechanical energy
03/18/1980US4193267 Method and apparatus for generating power utilizing pressure-retarded osmosis
03/06/1980WO1980000363A1 Energy conversion system
03/05/1980EP0008443A2 Device for converting heat into mechanical energy
03/04/1980US4190940 Method of assembling an actuator
03/04/1980CA1073047A1 Geophysical energy source utilization circuit
03/04/1980CA1072751A1 Power producing system employing geothermally heated fluid
02/1980
02/26/1980US4189924 Ocean thermal energy conversion system and method for operation
02/26/1980US4189923 Geothermal energy recovery
02/19/1980US4189647 Open cycle ocean thermal energy conversion system
02/19/1980US4189379 Desalting
02/12/1980US4187686 Power generator utilizing elevation-temperature differential
02/12/1980US4187684 Thermally responsive power elements with multiple vapor/gas filled capsules and hydraulic fluid transmissions
02/12/1980US4187683 Thermal power element with safety lockup
02/06/1980EP0007356A1 Elevating nutrient-rich ocean water
02/05/1980US4186558 Thermal conversion engine
01/1980
01/29/1980US4186311 Heat pump method of concentrating fluids
01/09/1980EP0006653A2 Method and device for producing energy in a gravitation field without consuming matter
01/08/1980US4182485 Thermally responsive valve
01/08/1980CA1069478A1 Actuators
12/1979
12/18/1979US4178759 Ion repulsion engine and method of operating same
12/18/1979CA1068119A1 Process and equipment for transforming heat at a relatively low temperature into power or energy
12/18/1979CA1068117A1 Mechanical work generating means
12/04/1979US4177146 Methods and apparatus for continuously endowing liquid with mechanical energy by osmosis
12/04/1979US4176863 Large diameter ducts for use in the ocean
11/1979
11/27/1979US4175390 Solid stress motor
11/06/1979US4173431 Road vehicle-actuated air compressor and system therefor
11/06/1979US4173123 Optically driven solar engine
10/1979
10/16/1979US4170878 Energy conversion system for deriving useful power from sources of low level heat
09/1979
09/25/1979US4169098 Process for utilization of the reaction heat generated by the catalytic oxidation of o-xylene
09/11/1979US4167099 Countercurrent direct contact heat exchange process and system
09/04/1979US4166363 Method of energy conversion utilizing a tubular iceberg
08/1979
08/23/1979WO1979000589A1 Process and system for recovery of working fluid for direct contact heat exchange
08/23/1979WO1979000565A1 Countercurrent direct contact heat exchange process and system
08/08/1979EP0003355A1 Unidirectional energy converter engine
07/1979
07/11/1979EP0002829A1 Means for the conversion into energy of the varying conditions of temperature existant in deep waters, particularly the sea
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