Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; Rotary-piston, or oscillating-piston, positive-displacement pumps › F04C 2 - Rotary-piston machines or pumps
Patents for F04C 2 - Rotary-piston machines or pumps (14,296)
10/2014
10/09/2014WO2014161700A1 Metering pump made of plastic
10/09/2014US20140301878 Rotary Displacement Pump for Pumping Flowable Viscous Materials
10/09/2014US20140301877 Pump device for delivering a medium
10/09/2014DE102014206577A1 Hydraulische Zahnradpumpe mit einstellbarer Fördermenge Hydraulic gear pump with adjustable flow
10/09/2014DE102013205843A1 Dosierpumpe aus Kunststoff Dosing pump made of plastic
10/09/2014DE102013102979A1 Exzenterschneckenmaschine Exzenterschneckenmaschine
10/08/2014EP2786933A1 A radial fluid device for an independent blade control system with hydraulic cyclic control
10/07/2014US8851869 Internal gear pump
10/07/2014US8851867 Stator for progressive cavity pump/motor
10/07/2014US8851578 Rotary pump device and vehicle brake control system
10/02/2014WO2014158968A1 Magnetic cycloid gear
10/02/2014WO2014156377A1 Variable displacement vane pump and power steering device
10/02/2014WO2014154388A1 Pump having an electric motor
10/02/2014US20140294650 Vane pump
10/02/2014US20140294649 Pump Device
10/02/2014US20140294644 Pump
10/02/2014US20140294638 Thermal/Noise Management in a Scroll Pump
10/02/2014US20140294623 Thermal/Noise Management in a Scroll Pump
10/02/2014DE112012005722T5 Interne Getriebepumpe Internal gear pump
10/02/2014DE102014104067A1 Flüssigkeitspumpe Liquid pump
10/01/2014EP2784324A1 Refurbishment process of the pumping unit in a volumetric screw compressor of the 'oil-free' type
10/01/2014EP2784323A1 Pump
09/2014
09/30/2014US8845310 Scroll compressor with cover covering driving shaft of driving motor
09/25/2014WO2014150966A1 Piston with replaceable and/or adjustable surfaces
09/25/2014WO2014150917A1 Progressive cavity pump/motor drive mechanism
09/25/2014WO2014148672A1 Gear pump and apparatus for discharging liquid material using same
09/25/2014WO2014148160A1 Cylinder head cover with integrated negative pressure pump
09/25/2014WO2014147914A1 Vane pump
09/25/2014WO2014147440A1 Gear wheel with meshing teeth
09/25/2014WO2014146675A1 Lubricant vane pump
09/25/2014WO2014146190A1 Slurry pump
09/25/2014US20140286809 Pump
09/25/2014US20140286801 Pumping device for pumping oil from a storage container to a transmission system of a motor vehicle
09/25/2014DE102013203764A1 Zahnradmaschine mit langgestreckter Ausnehmung in der Dichtfläche zwischen Zahnrad und Gehäuse Gear machine with an elongated recess in the sealing surface between the gearwheel and the housing
09/24/2014EP2781750A1 Internal gear pump
09/24/2014EP2781749A1 Remote monitoring system of uniaxial eccentric screw pump
09/24/2014EP2780598A2 Internal gear pump
09/23/2014US8840385 Positive displacement fluid pump
09/23/2014US8840384 Scroll compressor capacity modulation with solenoid mounted outside a compressor shell
09/18/2014WO2014144648A1 Axial seal for roots-style supercharger
09/18/2014WO2014143468A1 Toothed-lobed gear pump
09/18/2014WO2014141888A1 Variable-capacity vane pump
09/18/2014WO2014141377A1 Gear pump or motor
09/18/2014WO2014141013A1 Vane pump with multiple control chambers
09/18/2014WO2014140282A1 Operable implant comprising an electrical motor and a gear system
09/18/2014WO2014139716A1 Internal gear pump
09/18/2014WO2014138870A1 Oval chamber vane pump
09/18/2014US20140271316 Reducing flow communication between chambers of guided-vane rotary apparatus
09/18/2014US20140271314 Gear Wheel with Profile Capable of Meshing with Semi-Encapsulation in a Geared Hydraulic Apparatus
09/18/2014US20140271313 Toothed-Lobed Gear Pump
09/18/2014US20140271312 Piston with replaceable and/or adjustable surfaces
09/18/2014US20140271305 Scroll Pump Having Bellows Providing Angular Synchronization and Back-up System For Bellows
09/18/2014US20140271301 Dual Axis Rotor
09/18/2014US20140271300 Progressive Cavity Pump/Motor Drive Mechanism
09/18/2014US20140271299 Hydraulically balanced stepwise variable displacement vane pump
09/18/2014US20140271282 Rotary pump with rotor and stator arrangement
09/18/2014DE102013204616A1 Innenzahnradpumpe Internal gear pump
09/18/2014DE102013204503A1 Flügelzellenpumpe mit Flügel mit Oberflächenstruktur Vane pump with wings with surface structure
09/17/2014EP2778419A1 Systems and methods for fluid pump outlet pressure regulation
09/17/2014EP2778418A1 Vane-type hydraulic device
09/17/2014EP2776748A1 Valve device for a hydraulic circuit, and oil-pump regulating arrangement
09/17/2014EP2776717A1 Belt and support for a rotor mechanism in a rotary apparatus and rotary apparatus comprising same
09/17/2014EP2776716A1 High pressure seal vent
09/17/2014EP2776676A1 Oil-free rotary pump or compressor with semi-spherical vanes for compressing or pumping gaseous or liquid fluids
09/16/2014US8836179 Systems and methods of energy harvesting with positive displacement motor
09/16/2014US8834132 Apparatus having control valve and variable capacitance pump and hydraulic pressure circuit of internal combustion engine in which the same apparatus is used
09/16/2014US8833334 Oil pump apparatus
09/12/2014WO2014136646A1 Vane pump
09/12/2014WO2014136186A1 Gear pump or motor
09/12/2014WO2014135239A1 Eccentric screw pump with overpressure protection
09/11/2014US20140255238 Rotor of vane pump and method of manufacturing rotor
09/11/2014US20140255236 Internal gear pump
09/11/2014US20140255235 Self adjusting gear pump
09/11/2014US20140255234 Pump System
09/11/2014DE102013204072A1 Innenzahnradpumpe Internal gear pump
09/11/2014DE102013204071A1 Innenzahnradpumpe Internal gear pump
09/11/2014DE102013003833A1 Pumpe mit Überdruckschutz Pump with overpressure protection
09/10/2014EP2773850A2 Pump device for delivering a medium
09/09/2014US8827668 Tooth profile for rotors of positive displacement external gear pumps
09/09/2014US8827667 Scroll compressor with cover covering driving shaft of driving motor
09/09/2014US8827659 Oil supply apparatus
09/09/2014US8827376 Double internal gear pump
09/04/2014US20140248171 Variable displacement pump having rotating cam ring
09/04/2014DE19918376B4 Pumpenvorrichtung mit einer Vielzahl von Drehkolbenpumpen und Verfahren zum Zusammenbauen der Pumpenvorrichtung A pump device with a plurality of rotary pumps and method of assembling the pump device
09/04/2014DE112012005073T5 Ölpumpe für ein Fahrzeug und damit ausgestattetes Fahrzeug Oil pump for a vehicle and vehicle equipped therewith
09/04/2014DE102013102032A1 Schraubenspindelpumpe Screw Pump
09/04/2014DE102013102031A1 Aus wenigstens zwei Teilen gebildete Schraubenspindelpumpe Screw pump formed from at least two parts
09/04/2014DE102010001601B4 Zahnradpumpe und Zahnradpumpe für Bremsvorrichtung Gear pump and gear pump for brake device
09/04/2014DE102006025367B4 Zahnradpumpe, insbesondere Zahnradölpumpe für Fahrzeuge Gear pump, especially gear oil pump for vehicles
09/02/2014US8821143 Vane rotary compressor
09/02/2014US8821141 Positive displacement rotary pumps with improved cooling
09/02/2014US8821139 Balance plate assembly for a fluid device
09/02/2014US8821138 Gerotor apparatus for a quasi-isothermal Brayton cycle engine
08/2014
08/28/2014WO2014128006A1 Variable displacement lubricant pump
08/28/2014WO2014078145A3 Metal stators
08/28/2014WO2014060137A3 Internal gear pump for a hydraulic motor vehicle brake system
08/28/2014US20140241928 Vacuum pump with rotor-stator positioning to provide non-return
08/28/2014US20140241927 Vane-type hydraulic device
08/28/2014DE102013202918A1 Zahnradmaschine mit einem Stützkörper für eine Axialfelddichtung Gear machine with a supporting body for a Axialfelddichtung
08/28/2014DE102013202917A1 Zahnradmaschine mit erhöhter Partikelrobustheit Gear machine with increased particle robustness
1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 143