Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01C - Rotary-piston or oscillating-piston machines or engines › F01C 1 - Rotary-piston machines or engines
Patents for F01C 1 - Rotary-piston machines or engines (9,235)
10/1999
10/21/1999WO1999053174A1 Rotary engine
10/14/1999DE19918502A1 Internal combustion engine or pump etc. lobe systems
10/14/1999DE19912482A1 Fluid pump or compressor with impeller-type drive
10/13/1999CN1231713A Oscillating piston engine
10/07/1999DE19918503A1 Rotary piston internal combustion engine
10/06/1999CN1045485C Rotary internal combustion engine
10/05/1999US5961310 External combustion rotary engine
10/05/1999CA2207663C Satellite engine/machine
09/1999
09/29/1999EP0945592A1 Rotary piston machine
09/29/1999EP0840843A4 Method of reducing emissions in a sliding vane internal combustion engine
09/29/1999EP0627041B1 Screw rotors type machine
09/23/1999WO1999047813A2 Scroll-type fluid displacement apparatus including an eccentric crank mechanism having an elongated shaft
09/23/1999DE19812853A1 Epi- and hyop-cycloidic rotary piston machine for pump, compressor, gas or steam engine
09/22/1999EP0943806A1 Displacement type fluid machine
09/21/1999US5954141 Air driven motor for a tool
09/16/1999WO1999046507A1 A complex teeth-type gas compressor
09/16/1999WO1999046494A1 Internal combustion engines
09/16/1999WO1999046482A1 Rotary piston internal combustion engine
09/16/1999WO1999046481A1 Gas and liquid turbine
09/16/1999WO1999046480A1 Rotary pump and motor
09/16/1999DE19809847A1 Stirling engine with rotary design
09/16/1999DE19802143A1 Rotary pump for food kneading and mixing has four oval discs which are easy to clean
09/16/1999DE19738132A1 Multi=element rotational compression machine
09/07/1999US5947713 Pair of co-operating screw rotors, a screw rotor and a rotary screw machine
09/07/1999US5947712 High efficiency rotary vane motor
09/02/1999WO1999043926A1 Rotary-piston machine
09/02/1999DE19910514A1 Rotary piston machine for use as engine
08/1999
08/26/1999WO1999042702A1 Drive motor for surgical appliances
08/19/1999DE19858905A1 Hollow shaft gas turbine
08/17/1999US5937820 Four cycle rotary engine
08/04/1999EP0933501A2 Rotation inhibiting mechanism for movable scroll of scroll type fluid machine
08/04/1999EP0932747A1 Rotary vane machine
08/03/1999US5931649 Motor compressor
08/03/1999CA2115573C Internal combustion engine having opposed pistons
07/1999
07/29/1999WO1999037886A1 Rotary machine
07/28/1999EP0931221A1 A rotary machine
07/27/1999US5927958 Fluid machinery having a sealing member between stepped spirals
07/20/1999US5924929 Flexible drive shaft and drive shaft and rotor assembly
07/20/1999US5924855 Screw compressor with cooling
07/15/1999WO1999035382A1 A rotary gear engine
07/15/1999WO1999035371A1 Energy conversion device
07/13/1999CA2171643C Engaged rotor
07/08/1999DE19757859A1 Rotary vane motor for light aircraft and other vehicles
07/01/1999WO1999032760A1 A power unit for use as a pressure-fluid-operated motor and/or a pressure fluid pump
07/01/1999DE19758337A1 Rotation internal combustion engine with ring shaped work area
07/01/1999CA2315752A1 A power unit for use as a pressure-fluid-operated motor and/or a pressure fluid pump
06/1999
06/23/1999CN1043804C Spherical piston radial action engine
06/17/1999WO1999030005A1 Rotary positive-displacement machines
06/17/1999WO1999015764A8 Scroll-type fluid displacement device having flow diverter, multiple tip seal and semi-radial compliant mechanism
06/17/1999CA2312741A1 Rotary positive-displacement machines
06/16/1999EP0922860A1 Optimized location for scroll compressor economizer injection ports
06/16/1999EP0922158A1 Rotary piston machine
06/16/1999EP0636203B1 Variable displacement pump
06/16/1999CN1219648A Optimized location for scroll compressor economizer injection ports
06/15/1999US5911567 Positive displacement pump apparatus
06/15/1999CA2086423C Radial piston fluid machine and/or adjustable rotor
06/10/1999WO1999028630A1 Driven equipment for fluid machinery
06/10/1999WO1999028629A1 Rotary piston pump and method of operation
06/10/1999WO1999001666A3 Rotary-linear vane guidance in a rotary vane pumping machine
06/10/1999DE19854155A1 Hydraulic gear pump or motor for vehicle units
06/10/1999DE19754285A1 Cellular vane machine, especially cellular vane pump
06/10/1999DE19753134A1 Rotary piston engine
06/09/1999EP0921271A1 Rotary piston machine
06/03/1999WO1999027233A1 Internal combustion rotary engine
06/03/1999CA2310721A1 Internal combustion rotary engine
06/02/1999EP0918922A1 Rotary piston system
05/1999
05/27/1999WO1999025954A1 Positive-displacement piston mechanism of rotary piston structure
05/26/1999EP0918138A2 Device with rotary pistons circulating in a ring shaped space, enclosing an expansion chamber
05/18/1999CA2183527C Axial vane rotary device and sealing system therefor
05/06/1999EP0630441B1 Screw compressor providing thrust bearing force compensation
04/1999
04/29/1999DE19745449A1 Multiple rotary piston device
04/28/1999EP0910563A1 Integrin receptor antagonists
04/27/1999CA2097567C Scroll type fluid apparatus
04/22/1999WO1999019607A1 Four stroke orbital internal combustion engine
04/22/1999CA2306416A1 Four stroke orbital internal combustion engine
04/15/1999DE19744591A1 Mechanism for control of rotary piston internal combustion engine and for torque takeoff
04/11/1999WO1999056021A1 Fixed displacement suction and exhaust apparatus utilizing rotary pistons of coaxial structure
04/08/1999WO1999017066A1 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
04/07/1999EP0746670B1 Meshing type rotors
04/01/1999WO1999015764A1 Scroll-type fluid displacement device having flow diverter, multiple tip seal and semi-radial compliant mechanism
04/01/1999WO1999015763A1 Generalized minimum diameter scroll component
04/01/1999WO1999002862A3 High efficiency rotary vane motor
03/1999
03/31/1999EP0746685B1 Scroll compressor drive having a brake
03/31/1999CN2312327Y Rotary type power equipment
03/25/1999DE19842050A1 Worm conveyor for liquids
03/25/1999DE19740133A1 Rotary piston engine
03/24/1999CN1211686A Helical lobe compressor
03/24/1999CN1042663C 旋转活塞机械 Rotary piston machine
03/23/1999CA2068776C Scroll type fluid displacement apparatus having a capacity control mechanism
03/18/1999DE19841477A1 Gearwheel motor with cylinder
03/17/1999EP0902188A1 Screw compressor
03/17/1999EP0902186A1 Scroll-type fluid displacement machine
03/17/1999EP0901563A1 Fluid vane motor/pump
03/17/1999EP0834001B1 Positive displacement machine comprising a rotary piston
03/17/1999CN2310861Y Spiral rotor engine
03/17/1999CN1211299A Rotary piston internal combustion engine
03/17/1999CN1210945A Scroll compressor
03/17/1999CN1210936A Displacement machine for compressible media
03/11/1999WO1999011907A1 Rotating piston machine
03/10/1999EP0900939A1 Scroll compressor
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