Patents
Patents for F01C 5 - Rotary-piston machines or engines with the working-chamber walls at least partly resiliently deformable (193)
10/2014
10/14/2014US8858202 Rotary diaphragm pump
08/2014
08/13/2014EP2764211A1 Pumps
07/2014
07/30/2014CN103958832A 泵 Pump
06/2014
06/18/2014CN102449265B Pump having resilient seal
05/2014
05/27/2014US8734141 Stator/rotor assemblies having enhanced performance
05/20/2014CA2622130C Self-aligning rotary piston machine
12/2013
12/11/2013CN101498299B Combination of a chamber and a piston, a pump, a shock absorber and a actuator incorporating the combination
10/2013
10/15/2013US8556603 Progressing cavity pump adapted for pumping of compressible fluids
08/2013
08/15/2013WO2013117486A1 Pumps
04/2013
04/11/2013WO2013050491A1 Pumps
04/11/2013CA2851305A1 Pumps
12/2012
12/25/2012US8337181 Rotary pump with deformable rollers
11/2012
11/21/2012CN101354032B Combination of chamber and piston pump, motor, shock absorber and transducer incorporating the combination
11/08/2012DE102011100778A1 Combustion engine has rotor that is cyclically moved around rotation center in cylinder so that permanently-constant pressure arising in non-variable volumes during each rotation of rotor is used to determine engine performance
05/2012
05/09/2012CN102449265A Pump having resilient seal
03/2012
03/06/2012US8127660 Combination of a chamber and a piston, a pump, a motor, a shock absorber and transducer incorporating the combination
02/2012
02/29/2012EP2422048A2 Pump with a resilient seal
01/2012
01/24/2012US8100676 Rotor, a method for producing such rotor and a pump comprising such rotor
01/17/2012US8096530 Flexible impeller pumps for mixing individual components
12/2011
12/27/2011US8083508 Progressive cavity compressor having check valves on the discharge endplate
11/2011
11/17/2011WO2010122299A8 Pump with a resilient seal
11/02/2011CN101641040B Flexible impeller pumps for mixing individual components
10/2011
10/11/2011US8033802 Stator casing for eccentric worm pumps
09/2011
09/28/2011CN201991568U 绕曲管气动马达 Around the curved pipe Qidongmada
08/2011
08/11/2011US20110194962 Vane pump with variable discharge volume
07/2011
07/19/2011US7980837 Self-aligning rotary pistone machine
06/2011
06/15/2011EP2333236A1 Pump rotor
06/08/2011CN101305162B Self-aligning rotary pistone machine
06/02/2011US20110129375 Work extraction from downhole progressive cavity devices
04/2011
04/28/2011WO2010122299A3 Pump with a resilient seal
03/2011
03/22/2011US7909591 Eccentric screw pump equipped with erosion-resistant rotor
03/15/2011US7905714 Progressing cavity pump assembly and method of operation
02/2011
02/03/2011US20110027117 Rotary compressor
02/01/2011US7878774 Moineau stator including a skeletal reinforcement
01/2011
01/18/2011US7871253 Stator clamping device for eccentric screw pump
12/2010
12/15/2010CN101307674B Long life spiral transduction apparatus
11/2010
11/11/2010US20100284843 Stator for an eccentric screw pump or an eccentric screw motor and method of producing a stator
11/11/2010US20100284842 Method of producing a stator segment for a segmented stator of an eccentric screw pump
11/09/2010US7828533 Positive displacement motor/progressive cavity pump
11/05/2010CA2703059A1 Method of producing a stator segment for a segmented stator of an eccentric screw pump
11/05/2010CA2701674A1 Stator for an eccentric screw pump or an eccentric screw motor and method of producing a stator
10/2010
10/28/2010CA2759433A1 Pumps
09/2010
09/30/2010US20100247357 Device comprising a combination of a chamber and a piston
08/2010
08/24/2010US7780428 Fluid-guiding and electric conducting system for suspended electric submersible progressing cavity pump (PCP)
08/17/2010US7775062 Modular cooling system
07/2010
07/08/2010US20100170391 Combination of a chamber and a piston, a pump, a motor, a shock absorber and transducer incorporating the combination
06/2010
06/22/2010US7739792 Method of forming controlled thickness resilient material lined stator
06/02/2010EP2191104A1 Pumps and pump-heads comprising internal pressure-absorbing member
02/2010
02/16/2010CA2371211C A combination of a chamber and a piston, a pump, a motor, a shock absorber and a transducer incorporating the combination
12/2009
12/16/2009CN101603528A Combination of a chamber and a piston, and a pump, engine, oscillation absorber and a converter containing such combination
12/09/2009CN101598125A A combination of a chamber and a piston, a pump, a motor, a shock absorber and a transducer incorporating the combination
12/08/2009CA2377413C A device comprising a combination of a chamber and a piston
11/2009
11/18/2009EP2117397A2 Flexible impeller pumps for mixing individual components
10/2009
10/13/2009US7600982 Compact helical compressor for mobile use in a vehicle
09/2009
09/22/2009CA2535687C Progressing cavity stator including at least one cast longitudinal section
08/2009
08/05/2009CN101498299A Combination of a chamber and a piston, a pump, a motor, a shock absorber and a transducer incorporating the combination
07/2009
07/29/2009CN100520065C Chamber and piston combination and pump, shock absorber and transducer incorporating the combination
04/2009
04/30/2009US20090110579 Equal wall stator
04/14/2009US7517202 Multiple elastomer layer progressing cavity stators
04/02/2009DE102008049293A1 Gerät zur Nutzung der Druckdifferenz von Gas- oder Flüssigmedien durch deren Wandlung in Rotationsbewegung Device to use the pressure difference of gas or liquid media by converting it into rotary motion
04/02/2009DE102007047071A1 Compressor cleaning method for turbocharger of diesel engine of vehicle, involves attaching compressor to ventilation circuit during cleaning process, injecting fluid into circuit, and arranging separator for solute deposits in circuit
04/01/2009EP2042688A2 Device for using the pressure differential of gas or liquid media by converting same into rotational movement
03/2009
03/05/2009WO2009029858A1 Pumps and pump-heads comprising internal pressure-absorbing member
03/05/2009CA2698213A1 Pumps and pump-heads comprising internal pressure-absorbing member
01/2009
01/28/2009CN101354032A Combination of chamber and piston pump, motor, shock absorber and transducer incorporating the combination
11/2008
11/19/2008CN101307674A Long life spiral transduction apparatus
11/12/2008CN101305162A Self-aligning rotary pistone machine
11/06/2008WO2008103300A3 Flexible impeller pumps for mixing individual components
10/2008
10/28/2008US7442019 Stator of a moineau-pump
10/16/2008US20080253915 Self-Aligning Rotary Pistone Machine
08/2008
08/28/2008CA2678589A1 Flexible impeller pumps for mixing individual components
08/12/2008CA2425487C Hinged rotor internal combustion engine
07/2008
07/16/2008EP1173677B8 A device comprising a combination of a chamber and a piston
07/08/2008US7396220 Progressing cavity stator including at least one cast longitudinal section
07/02/2008EP1937939A1 Self-aligning rotary piston machine
02/2008
02/28/2008US20080050259 Highly reinforced elastomer for use in downhole stators
01/2008
01/31/2008US20080025859 Controlled thickness resilient material lined stator and method of forming
01/02/2008EP1295012B1 Poly-induction energy turbine without back draught
12/2007
12/19/2007EP1173677B1 A device comprising a combination of a chamber and a piston
11/2007
11/01/2007US20070253852 Compact Eccentric Screw Pump
10/2007
10/11/2007DE102006016806A1 Verdrängermaschine Displacement
10/11/2007DE102005052623B4 Kompressor Compressor
08/2007
08/01/2007EP1812686A1 Balanced rotary internal combustion engine or cycling volume machine
06/2007
06/21/2007US20070140883 Progressive cavity pump/motor stator, and apparatus and method to manufacture same by electrochemical machining
06/21/2007US20070140882 Eccentric screw pump equipped with erosion-resistant rotor
06/21/2007US20070137610 Rotary engine
06/07/2007US20070128062 Eccentric Screw Pump Having Conical Sealing Surfaces
05/2007
05/03/2007DE102005052623A1 Compressor has roller holder that swivels around housing axle where bars lie in level perpendicular to housing axle on circle and form equilateral polygon
03/2007
03/22/2007WO2007031724A1 Self-aligning rotary piston machine
03/22/2007CA2622130A1 Self-aligning rotary piston machine
03/15/2007WO2005081890A3 Archimedean conveyors and combustion engines
03/15/2007US20070059191 Stator system
03/08/2007US20070053783 Stator for an eccentric screw pump or an eccentric worm motor operating on the moineau principle
02/2007
02/20/2007US7178502 Balanced rotary internal combustion engine or cycling volume machine
02/01/2007US20070023001 Balanced rotary internal combustion engine or cycling volume machine
10/2006
10/11/2006EP1370813B1 Hydristor heat pump
09/2006
09/28/2006US20060216178 Downhole motor seal and method
08/2006
08/30/2006EP1696124A1 Combination of a chamber and a piston
08/17/2006US20060182644 Progressing cavity stator including at least one cast longitudinal section
08/17/2006US20060182643 Progressing cavity stator having a plurality of cast longitudinal sections
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