Patent International Class: F04C 18/0
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Method of operation of a spherical positive displacement rotary machine and devices for carrying out said method
Inventor: Didin, et al. | Patent Number: 8152504
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Baffle member for scroll compressors
Inventor: Haller | Patent Number: 8152503
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Scroll compressor having guide ring supporting and urging seal member
Inventor: Nakamura, et al. | Patent Number: 8152502
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Eccentric screw pump
Inventor: Brun, et al. | Patent Number: 8152499
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Progressing cavity pump/motor
Inventor: Guidry, Jr. | Patent Number: 8147228
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Piston valve internal combustion engine
Inventor: Althen | Patent Number: 8136503
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Positive displacement capture device and method of balancing positive displacement capture devices
Inventor: Wiedenhoefer, et al. | Patent Number: 8133044
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Scroll-type expansion machine
Inventor: Shimoji, et al. | Patent Number: 8128388
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Scroll compressor having optimized cylinder oil circulation rate of lubricant
Inventor: Kimata, et al. | Patent Number: 8118577
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Drive system having a variable output gerotor pump
Inventor: Bonny | Patent Number: 8109747
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Progressing cavity pump/motor
Inventor: Guidry, Jr. | Patent Number: 8109746
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Rotary engine combustion chamber
Inventor: Watkins, et al. | Patent Number: 8109252
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Compressor with screw rotor and gate rotor with inclined gate rotor center axis
Inventor: Ohtsuka, et al. | Patent Number: 8105059
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Dual-inlet supercharger for EGR flow control
Inventor: Boyer, et al. | Patent Number: 8099957
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Scroll type fluid machine with a rotation preventing cylindrical member
Inventor: Suefuji, et al. | Patent Number: 8096792
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High efficiency supercharger outlet
Inventor: Ouwenga, et al. | Patent Number: 8096288
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Rotary pump with vane support divided into two half shells
Inventor: Cadeddu | Patent Number: 8087915
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Positive displacement pump with improved rotor design
Inventor: Soderstrom | Patent Number: 8087914
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Gear pump with unequal gear teeth on drive and driven gear
Inventor: Heitz | Patent Number: 8087913
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Positive-displacement turbine engine
Inventor: Seagrave | Patent Number: 8079343
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Eccentric rotor compressor
Inventor: Yun | Patent Number: 8075292
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Scroll compressor improved in function of oil circulation and back pressure control
Inventor: Lee, et al. | Patent Number: 8075291
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Tip seal for a scroll compressor
Inventor: Haller | Patent Number: 8057202
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Radial axis, spherical based rotary machines
Inventor: Chadwick, II | Patent Number: 8056528
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Split-chamber rotary engine
Inventor: De Oliveira | Patent Number: 8056527
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Scroll-type fluid machine including pressure-receiving piece
Inventor: Takei | Patent Number: 8047823
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Compressor sealing arrangement
Inventor: Stover, et al. | Patent Number: 8043078
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Electric pump with relief valve
Inventor: Nakayoshi | Patent Number: 8038423
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Rotary engine
Inventor: Lauter | Patent Number: 8033264
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Compressor slide valve support
Inventor: Flanigan | Patent Number: 8021134
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Vane pump with vane biasing means
Inventor: Moorman | Patent Number: 8016577
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Low noise gear set for gear pump
Inventor: O'Brien, II | Patent Number: 8011910
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Compressor with thrust bearing having insular pressure- receiving portions on sliding surface and diamond-like carbon layer on another sliding surface
Inventor: Ichiyanagi, et al. | Patent Number: 8007262
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Scroll fluid machine having a coupling mechanism to allow relative orbiting movement of scrolls
Inventor: Yanagisawa | Patent Number: 8007260
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Stator system
Inventor: Kreidl, et al. | Patent Number: 8007259
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Scroll compressor with extended profile
Inventor: Koromilas | Patent Number: 8002529
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Internal combustion engine
Inventor: Savvakis | Patent Number: 8001949
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Scroll compressor with scroll deflection compensation
Inventor: Ignatiev | Patent Number: 7997883
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Compressor having capacity modulation assembly
Inventor: Akei, et al. | Patent Number: 7988433
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Self-aligning rotary pistone machine
Inventor: Moore | Patent Number: 7980837
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Modular multi-rotor compressor and method of manufacture
Inventor: Shaw | Patent Number: 7980836
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Scroll compressor having capacity modulation system
Inventor: Stover, et al. | Patent Number: 7976296
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Compressor having capacity modulation system
Inventor: Stover, et al. | Patent Number: 7976295
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Scroll fluid machine having stationary and orbiting scrolls having a coupling mechanism to allow the orbiting scroll to orbit relative to the second scroll
Inventor: Yanagisawa | Patent Number: 7976294
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Compressor having output adjustment assembly including piston actuation
Inventor: Stover, et al. | Patent Number: 7972125
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Scroll machine using floating seal with backer
Inventor: Wang | Patent Number: 7967584
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Scroll compressor bodies with scroll tip seals and extended thrust region
Inventor: Bush | Patent Number: 7963753
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Oil pump and method of assembling the oil pump
Inventor: Nakakuki, et al. | Patent Number: 7959422
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Pump device
Inventor: Yamaguchi, et al. | Patent Number: 7931454
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Valveless rotary internal combustion engine
Inventor: Kamenov | Patent Number: 7931006
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Gear pump with improved inlet port
Inventor: Chang | Patent Number: 7922468
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Reciprocating component-free kinematic motion apparatus for transforming pressure variations of a fluid operating in cyclically variable volume toroidal chambers into a mechanical work on a rotary axis and engine including said apparatus
Inventor: Pomar | Patent Number: 7909590
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Servo-actuated supercharger operating mechanism
Inventor: Prior | Patent Number: 7909026
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Oscillating piston machine
Inventor: Huettlin | Patent Number: 7909014
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Hybrid cycle rotary engine
Inventor: Shkolnik, et al. | Patent Number: 7909013
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PD pumps with a common gearbox module and varying capacities and easy access to mechanical seals
Inventor: Whittome, et al. | Patent Number: 7905717
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Scroll compressor
Inventor: Takeuchi, et al. | Patent Number: 7905716
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Scroll compressor having a fixed scroll part and an orbiting scroll part
Inventor: Hiwata, et al. | Patent Number: 7905715
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Rotary device with reciprocating vanes and seals therefor
Inventor: Grisar, et al. | Patent Number: 7896630
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Compressor unloading valve
Inventor: Flanigan, et al. | Patent Number: 7887310
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Tapered rotor assemblies for a supercharger
Inventor: Prior | Patent Number: 7882826
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Gear pump with components constructed as a homogenous workpiece
Inventor: Kunz | Patent Number: 7878783
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Rotary compressor having main bearing integrally formed with cylinder or piston serving as fixed side
Inventor: Shimizu, et al. | Patent Number: 7878778
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Scroll compressor having grooved thrust bearing
Inventor: Iwanami, et al. | Patent Number: 7878777
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Moineau stator including a skeletal reinforcement
Inventor: Speckert | Patent Number: 7878774
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Pump having an intermediate element with a pivot bearing within a rotor for connecting the rotor with a coupling device
Inventor: Heidemeyer | Patent Number: 7866967
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Rotary heat engine
Inventor: Murawsky | Patent Number: 7866297
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Oscillating piston engine
Inventor: Huettlin | Patent Number: 7866284
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Compressor and oil separating device therefor
Inventor: Hwang, et al. | Patent Number: 7862313
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Scroll fluid machine with back pressure chamber sealing
Inventor: Sato, et al. | Patent Number: 7850438
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Reciprocating rotation type engine and power transferring device and hybrid system using the same
Inventor: Yim | Patent Number: 7849822
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Supercharger with outlet bars for rotor tip seal support
Inventor: Prior | Patent Number: 7845921
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Rotary engine with vanes rotatable by compressed gas injected thereon
Inventor: Wang | Patent Number: 7845332
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Scroll compressor including deflection compensation for non-orbiting scroll
Inventor: Ignatiev, et al. | Patent Number: 7837452
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Internal gear pump
Inventor: Hosono | Patent Number: 7819645
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Screw pump and screw rotor
Inventor: Izawa, et al. | Patent Number: 7798794
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Roots type pump and fuel cell system
Inventor: Fujita | Patent Number: 7794218
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Rotary piston type internal combustion engine
Inventor: Okamura | Patent Number: 7793635
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Intake assembly with integral resonators
Inventor: Prior, et al. | Patent Number: 7779822
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Oscillating variable displacement ring pump
Inventor: Szepesy | Patent Number: 7766636
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Rotary pump having sinusoidal sealing lines
Inventor: Langer | Patent Number: 7766635
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Scroll compressor with improved oil flow pathways
Inventor: Suh, et al. | Patent Number: 7766632
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Nagata cycle rotary engine
Inventor: Nagata, et al. | Patent Number: 7757658
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Mounting structure of discharge valve in rotary compressor
Inventor: Shimizu, et al. | Patent Number: 7753663
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Foam reduction device for a compressor
Inventor: Um | Patent Number: 7748969
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Scroll compressor
Inventor: Kim, et al. | Patent Number: 7744357
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Motor driven by pressure medium supplied from an external pressure source
Inventor: Sorby | Patent Number: 7736139
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Compressor with continuously inclined surface
Inventor: Nishikawa, et al. | Patent Number: 7736138
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Compressor including separation tube engagement mechanism
Inventor: Ohtake | Patent Number: 7736136
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Compressor with dual pathways for returning lubricating oil
Inventor: Yokoyama | Patent Number: 7731486
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Housing wheel engine
Inventor: Li | Patent Number: 7730869
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Twin-plate rotary compressor
Inventor: Oui, et al. | Patent Number: 7726960
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Rotating piston machine with dual suspension
Inventor: Zelezny | Patent Number: 7726957
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Diesel engine and supercharger
Inventor: Hansen, et al. | Patent Number: 7726285
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Scroll compressor having variable height scroll
Inventor: Jeong, et al. | Patent Number: 7722341
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Discharge check valve assembly for use with hermetic scroll compressor
Inventor: Ginies, et al. | Patent Number: 7721757
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Rotary scissors action machine
Inventor: Dec | Patent Number: 7721701
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Rotor apparatus of pump including a drive shaft with a plurality of arcuate circumferential surface sections
Inventor: Sato, et al. | Patent Number: 7717689
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Scroll compressor with compliant retainer
Inventor: Reinhart | Patent Number: 7717687
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Scroll-type refrigerant compressor having fluid flowing from gas inlet to motor winding end chamber through intermediate jacket
Inventor: Ginies, et al. | Patent Number: 7708536