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Matches 351 - 400 out of 1,405

Document Document Title
JP4872845B2  
JP4833277B2  
JP4796026B2  
JP4776203B2  
JP4764567B2  
JP4732579B2  
JP2011132807A
To provide a pump device inhibiting enlargement of a pump by increasing flexibility in layout of liquid passages.Working fluid from a first external gear pump part is discharged from a first discharge port formed on a support plate provi...  
JP4681126B2  
JP4682807B2  
JP3166911U
[Subject] Provide a pump which there is little wear of a partition and can perform inhalation of smooth fluid, and discharge. [Means for Solution] Cylindrical rotating bodies 2 and 4 and cylindrical eccentric rotation object 3 which it r...  
JP2011064147A
To provide a pump device achieving a reduction in the axial length of a pump.This pump device includes: a pump unit P formed into a generally cylindrical shape and stored in a storage portion 41 forming a low pressure chamber 40 formed i...  
JP2011064145A
To reduce a load on a drive source in a gear pump including a plurality of drive shafts.Pressure of a first inlet flow passage 4a of the first inlet flow passage 4a and a second delivery flow passage 5b which are arranged across a fourth...  
JP2011503428A  
JP2010280342A
To provide a fine-bubble generating apparatus in a hull to reduce fluid friction resistance by forming thick water layers including fine bubbles on an immersed surfaces of the hull, using a root pump which can mix a large amount of air i...  
JP4521005B2  
JP2010526962A  
JP2010159765A
To provide a volume rotary screw machine which has a wide range of technical and functional potential capacity in reduction of a range of an angle of thermodynamic cycle while improving its efficiency and can reduce heat loss as a whole....  
JP2010144570A
To finely control a workload in a gear pump. This gear pump includes: a gear group 1 composed of not less than four even-numbered gears 1a to 1d annularly arranged with adjacent gears engaged with each other; a first casing 2 surrounding...  
JP4492590B2  
JP4488491B2  
JP2010519447A  
JP4472224B2  
JP4462938B2  
JP2010090807A
To provide a double vane pump allowing easy switching.The double vane pump includes a first and a second change-over valve 26A, 26B connected to a first and a second vane pump 101, 102 respectively, and changing-over between supplying of...  
JP4455796B2  
JP4438519B2  
JP2010053692A
To prevent generation of impact and noise when switching to high capacity operation from low capacity operation, in a variable displacement rotary pump.Switching to 100% operation from 50% operation of a variable displacement gear pump i...  
JP2010053693A
To provide a variable displacement rotary pump which prevents the occurrence of oil impulse when being switched from high capacity operation to low capacity operation.A spool valve 55 of a solenoid pilot valve moves forward through energ...  
JP2010048209A
To provide a pump of structure capable of nearly evening degree of loads to be applied to a pair of driving force sources.This pump comprises a pair of driving members 31l and 31r connected to a separate pair of driving force sources so ...  
JP4410104B2  
JP2010014101A
To provide a multiple vane pump superior in pump efficiency.This multiple vane pump has a switching valve 26 connected by at least one vane pump among a plurality of vane pumps 101 and 102, and switching the supply of a working fluid del...  
JP2010001742A
To provide a variable displacement pump capable of varying the displacement by axially moving an inner rotor and of minimizing loads on the pump and an engine by gradually raising a hydraulic pressure and a drive torque.This variable dis...  
JP2009264109A
To reduce noise and vibration in a work vehicle mounted with a hydraulically driven operating machine.A double gear pump 32 for forcibly feeding hydraulic fluid by engagement/rotation of a pair of gears composed of a drive gear and a dri...  
JP4348850B2  
JP2009236074A
To provide a double gear pump whose components for actualizing the function of controlling the discharge amount of operating liquid in two steps are simplified and built in a body.Operating oil carried by a high pressure gear pump 21 is ...  
JP2009215932A
To provide a tandem pump in which friction and leak are suppressed.A tandem pump includes a first gear section and a second gear section which are rotatingly driven by driving of a rotating shaft, a pump housing section provided in a hou...  
JP4332772B2  
JP2009203811A
To provide a variable displacement type gear pump capable of efficiently recovering energy as a motor and achieving commonization of return passage returning oil to a suction side during low displacement operation as a pump and a return ...  
JP4327579B2  
JP2009197796A
To provide a lubricating pump with reduced number of components, weight and size.The lubricating pump having: a first stage 5 and a second stage 10; the first stage 5 in turn has an intake connectable hydraulically to a tank of lubricati...  
JP2009079572A
To provide a multiple gear pump which has not strict restrictions on mounting it on various liquid pressure machines by suppressing increase of length of a pump main body in a connection direction.As an input side 14a of a driving shaft ...  
JP2009052467A
To provide a gear pump achieving a durability enhancement and reduction of manufacturing cost by parts commonalization, which includes a drive gear rotating shaft and a driven gear rotating shaft supported at portions each having a diffe...  
JP4237438B2  
JP4221541B2  
JP2009030546A
To provide a gear pump implementing operation with a plurality of gear pair simultaneously and mutually meshed without backlash, by eliminating the need of improvement in precision in machining of parts, in a gear pump with multistage st...  
JP4206646B2  
JP2008223755A
To reduce friction while maintaining characteristics identical to pressure characteristics of a common oil pump based on provision of a plurality of discharge sources and a newly devised method of switching oil passages.The device is con...  
JP4154327B2  
JP2008537580A
[Subject] It is the hydraulic pump 1 for cars for operating a clutch, and it has a G rotor set or a planet rotor set, and the hydraulic pump 1 offers the hydraulic pump 1 for cars which is an at least two-step type. [solution means] the ...  
JP2008202488A
To reduce friction with keeping equivalent characteristics to pressure characteristics of ordinary oil pumps in a variable flow rate type oil pump having two delivery ports and using three rotors.This device comprises a first delivery pa...  

Matches 351 - 400 out of 1,405