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Patent Searching and Data


Matches 401 - 450 out of 2,522

Document Document Title
WO/1992/014930A1
The current invention detects malfunctions in a variable flow delivery pump. These malfunctions prevent the pump from sustaining inherently high accuracy and/or cause damages to the pump. The invention detects the malfunctions without co...  
WO/1992/000455A1
An adjustable rotor and a radial piston machine which may utilize an adjustable rotor. The rotor has a primary eccentric (2) rotatable with a shaft (1) and a secondary eccentric (3) adjustable in position relative to the primary eccentri...  
WO/1991/019099A1
An apparatus for delivering measured liquid volumes comprises a dosing piston pump (13) having an outlet (53/54) for the measured liquid volumes, and a liquid accumulating device (12) including an accumulator chamber (17) having an inlet...  
WO/1990/015249A1
A variable displacement pump (3) comprises a piston (4) reciprocable within a cylinder (2), a displaceable inlet valve (5) adapted to control admission of lower pressure hydraulic fluid (9) to the swept volume area (10) of the piston (4)...  
WO/1990/012960A1
A pump and metering apparatus, comprising a frame supporting a liquid container with a movable plunger therein for discharging respectively drawing in liquid, the plunger being connected to a runner means (17), which by a nut portion (16...  
WO/1988/009006A1
A liquid additive injection pump has a hydraulic motor comprising a differential piston assembly reciprocable in a housing under the urging of a primary liquid into which an additive is to be injected. The piston assembly (30, 224) inclu...  
WO/1988/007712A1
Apparatus for providing a standard fluid flow comprising a closed chamber (10), a fluid aperture (12) for fluid to pass out of said closed chamber (10), a piston means (17), the outer diameter of the part of the piston means (17) which e...  
WO/1987/004586A1
The device for injecting a fluid into a network comprises storage and supply means (1, 2) for the fluid to be injected, an injector (11) and a proportioning unit (7) to obtain a constant injection ratio. The injector (11) comprises two h...  
WO/1987/002422A1
A metering device comprising a body (11) supporting and enclosing a bladder (13) which has an inlet and an outlet each controlled by a non-return valve (19 and 21), the body (11) is formed with an opening (22) and supports an operator (2...  
WO/1985/003555A1
An apparatus for use in the application of a binding composition consisting of two components has two pumps (2 and 3) of different capacities. One pump (2) is connected with a source (20) of one component and the other pump (3) is connec...  
WO/1985/001993A1
A metering pump comprises a drive unit (1) and a pump head (11), into and from which fluid which is to be metered can be sucked from an input line via a first non-return valve (17) or can be expelled to an output line (20) via a second n...  
WO/1983/003447A1
A dosing pump (1) allows to dose with accuracy a medium intended to be dosed in relation to time or a flow rate. The dosing pump (1) utilizes a predelivery obtained by a diaphragm (11) and a piston and cylinder pump for the dosing. The c...  
WO/1982/001222A1
A device comprising reservoirs (1, 2) for a base and a hardener respectively, feeding (3, 4) and dosing pumps (5, 6), a mixing chamber (7) and an executing member (9). The stability of the pressure of feeding the components is ensured by...  
JP2019210860A
[Subject] Art which supervises a little amounts of discharge correctly by operation of an air cylinder in fixed pressure in a device which performs discharge is provided. [Means for Solution] Press of a regulator which generates compress...  
JP2019206946A
[Subject] The plunger pump and fixed-quantity discharging device which perform fixed-quantity discharge with sufficient accuracy are provided. [Means for Solution] Plunger pump 20 is provided with main part 24 of a pump in which pump roo...  
JP2019527789A
a stepping motor (110) after a method of operating a pump (100) detects change of the 1st of a state of a limit sensor equivalent to a piston (130) having reached the last of the distance in the 1st direction -- the 1st direction -- one ...  
JP6570846B2  
JP6563913B2  
JP6543648B2  
JP6543646B2  
JP2019515778A
A micro fluid mixture device provided with two bellows pumps (105, 115), a micro fluid cartridge provided with it, and its directions for use are provided. The device indicated enables efficient mixture of the sample in a micro fluid sca...  
JP2019513933A
The present invention is provided with the main part (70) arranged in the jacket (77) which covers an end, and the adjusting nut (71) which covers a base, The adjusting nut is screwed with the above-mentioned jacket, and engages with the...  
JP2019513934A
The present invention is a hydraulic gear (4) and the proportionality metering pump provided with the fixed-quantity mechanism (7) in which it has a nozzle (75), The stop ring (2) attached so that it may have a means to fix a nozzle (75)...  
JP2019074016A
To prevent liquid discharge from being made unstable by containing air bubbles in a liquid that fills a filling chamber in a syringe pump.In a syringe pump, a liquid T filling a filling chamber 10 between one-side bottom wall 7 of a cyli...  
JP6509703B2  
JP2019511662A
The present invention provides a pump with which only predetermined volume dispenses a plurality of fluid in a common position, and a method of sending such a plurality of above-mentioned fluid using the pump concerned. The pump is provi...  
JP6486387B2  
JP6443564B2  
JP6439881B2  
JP6422114B2  
JP2018173038A
To provide a syringe pump device capable of continuously sending the flow of a fluid at a fixed rate regardless of high pressure or low pressure.A syringe pump device comprises: check valves 2a, 2b provided corresponding to a fluid pipe ...  
JP2018530703A
the present invention -- the inside of the exterior (14) and the exterior inside a Embellishment rope, and a cylindrical seat part (22) -- a differential piston (1) which comes out, respectively, and has an upper part coronary part (23) ...  
JP2018154024A
To develop a resin molding apparatus that prevents operation trouble of a metering pump.A resin molding apparatus includes at least a raw material tank, a piston type metering pump, an agitation mixer, and a mold. In the resin molding ap...  
JP6396274B2  
JP6392481B1
[Subject] A plunger pump and a fixed-quantity discharging device which perform fixed-quantity discharge with sufficient accuracy are provided. [Means for Solution] Plunger pump 20 is provided with main part 24 of a pump in which pump roo...  
JP2018523777A
The present invention is [an entrance (12), an exit (13), and] with a suction nozzle (16), It is a management type proportionality fixed-quantity device provided with a fluid metering pump (1) which has a mechanism (11) in which a flow o...  
JP6368608B2  
JP2018099654A
To provide a liquid supply system using a syringe pump, in which a liquid filling amount is accurate, and which avoids overflow of an ejection amount of a liquid ejected from an ejection unit at an initial operation.A liquid supply syste...  
JPWO2017090148A1
The liquid-sending device is provided with a plurality of plunger pumps by which fluid connection was made in series or in parallel, and the control part which controls operation of a plunger pump between the suction channel and the disc...  
JP6339072B2  
JP6334683B2  
JPWO2017094097A1
A liquid-sending device has a primary side pump and a secondary side pump, and an exit part of a primary side pump and an inlet section of a secondary side pump are connected via a nonreturn valve. A secondary lateral pressure sensor whi...  
JP6313827B2  
JP6311892B2  
JP6305480B2  
JP2018040283A
To suppress generation of pulses with a simple method even when a set pressure changes.A non-pulsating pump 100 has a rotary cam 15 for converting rotary motion of a servomotor 11 into reciprocating motion, and includes a preliminary com...  
JP2018035761A
To restrict occurrence of pulsation by a simple method even if a set pressure is varied.This invention relates to a nonpulsating pump 100 comprising a cam mechanism 16 for converting a rotary motion of a common motor 11 into a reciprocat...  
JP2018505992A
A positive displacement pump for carrying out pump transportation of the fluid mastic is provided with a plurality of cylinders which have the piston arranged so that it might move reciprocately within a cylinder respectively. a piston m...  
JP2018503503A
A two-ingredient feeding system is provided with the following. The 1st pump that feeds the 1st ingredient, The 2nd pump that feeds the 2nd ingredient, Motor, A branching mechanism which connects a motor with the 1st pump and the 2nd pum...  
JP2018000159A
To provide a quantitative supply mechanism that enables quantitative supply of a paste-like material.A piston type quantitative supply comprises a driving mechanism 10, a storage tank 20, a seal mechanism 30, an opening/closing device 40...  

Matches 401 - 450 out of 2,522