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Patent Searching and Data


Matches 601 - 650 out of 1,739

Document Document Title
WO/1996/042004A2
A system and method for accomplishing a plurality of combinatorial processes in parallel comprising a microelectronic and fluidic array (device array) having reservoirs, connecting microchannels and reaction cells etched into a substrate...  
WO/1996/039252A1
The invention provides electrode-based pumps (803) and methods of operating such pumps. In one embodiment, the invention provides an electrode-based pump situated in a fluid channel comprising a first electrode (801A) and a second electr...  
WO/1996/039260A1
The present invention provides a method of forming a fluid-tight electrical conduit through a high aspect ratio hole, the method comprising sintering a via ink to form the electrical conduit and to seal the hole.  
WO/1996/021108A1
The present invention concerns a pump for conveying a medium, in particular a gas-liquid mixture, said pump comprising: a housing (3); a rotor (11) mounted in the housing (3); a hollow shaft (19) mounted in the housing and eccentrically ...  
WO/1996/017172A1
An integrated microactuator including a gas-containing cavity (4) within at least one layer (1, 2, 3) of photolithographically machinable material, electrodes (13, 15, 16) for generating an electric field inside the cavity (4) that can c...  
WO/1996/015576A1
The present invention provides a liquid distribution system, which is useful in a number of contexts, including in accomplishing various synthetic, diagnostic and drug screening reactions. The distribution system can comprise an alpha re...  
WO/1996/000849A1
Known micropumps are characterised by a relatively complex design that in general is difficult to produce and mount. In addition, the pump capacities they can achieve are limited. A new micropump should have a more simple design that is ...  
WO1995023000A3  
WO/1995/025223A1
An electromagnetic pump comprising a housing having a fluid receiving chamber (14) in communication with an inlet (18), a fluid pumping chamber (16) in fluid communication with an outlet (20), a check valve operatively associated with th...  
WO/1995/023000A2
In one embodiment described in the specification, a surgically implantable reciprocating pump employs a check valve as the piston, which is driven by a permanent magnet linear electric motor to assist either side of the natural heart. Th...  
WO/1995/012758A1
A central impeller (77) is sandwiched between fixed walls (19, 23) and is driven through a circular path of small radius, but is prevented from rotating by a ring-shaped shutter or slider (59) which surrounds and guides it. The shape of ...  
WO/1995/002764A1
A pump system for producing high and exactly controllable pressure levels includes a piston pump which has a piston (32) connecting to a spindle shaft (22), a spindle nut (44) on said spindle shaft, a cylinder block (34) having a bore (3...  
WO1994023201A3  
WO/1994/023201A2
Cryogenic fluid piston pump functions as stationary dispensing pump, mobile vehicle fuel pump etc., and can pump vapour and liquid efficiently even at negative feed pressures, thus permitting pump location outside a liquid container. Pis...  
WO1994012285A3  
WO/1994/020755A1
A mechanically simply battery operated air pump for one hand operation comprises a battery (1), a motor (2), a gear (3), a cylinder/piston pump (4), and a nozzle (5). The battery, the motor, the gear, and the cylinder/piston pump are arr...  
WO/1994/013488A1
The invention provides an ink jet printer provided with a maintenance station which is simple in construction and small-sized. A cap holder is provided with a suction port (28) communicating with a cap through a communication hole, a dis...  
WO/1994/012285A2
A device for comminuting a liquid, which comprises at least two electrohydrodynamic comminution means (24) arranged so that in use comminution of opposing polarity are formed which are substantially admixed after formation and a pump (22...  
WO/1994/009274A1
A sealless centrifugal blood pump (10) is provided in which a rotatable impeller (64) is supported in a pump housing (12) by fluid bearings (30, 182) during operation. Rotational movement of the impeller (64) is accomplished with an inve...  
WO/1994/003397A1
The membrane type deaerator according to the present invention is characterized by the arrangement and connected condition of a plurality of membrane deaerator modules and a water sealed vacuum pump connected thereto. These modules are s...  
WO/1993/010353A1
The compressor includes a cylindrical housing (1), in the bore of which moves a piston (3) whose periphery is adjusted with little play in the cylinder (1). The end (5) of the piston (3) includes a gas inlet (6) and supports two spherica...  
WO1992016750A3  
WO/1992/016721A1
The kinematic motion assembly (10) comprises a cylinder element (12) and a piston element (14) collaborating with each other, each of which is rotatably carried in an eccentric position on a rotating body (22, 36). The rotating bodies ro...  
WO/1992/016750A2
A conveying apparatus for lifting fluid includes a flexible conveyor assembly having a pair of flexible tubes forming respective tubular walls and an endless flexible rope conveyor extending through respective passages defined by the tub...  
WO/1992/012344A1
A positive displacement pump (10) comprises a mass such as a liquid filled pressure chamber (38, 115, 208, 209, 592) or an annular ring (352, 446) which is rotated at high speed about a first axis (15) so that centrifugal force acting on...  
WO/1992/008892A1
The object of the invention is a radial piston eccentric motor/pump, which consists of a ring structure (1') and an axle (7) as an opposing member rotating in relation to it in bearings, a joint ring formed of first joints (13') and set ...  
WO/1992/008052A1
A two-stage pump (9) for a continuous ink jet printing system comprises a first stage (A) which includes a chamber (91, 92) having an inlet (93) and an outlet (94) via a non-return valve (115) to a channel (95). The first stage chamber (...  
WO/1992/002730A1
A free-piston engine has one or more pistons (1) which are preferably rigidly connected to hydraulic pistons (2) and which move freely in cylinders along the longitudinal axis. The rear face of the piston (1) is used to convey the combus...  
WO/1991/010830A1
The aim of the invention is to design an ultrahigh pressure plunger pump with a pressure valve and a suction valve (4, 5), each of which is arranged coaxially with the cylinder axis (3) and has a sleeve (7) floatingly mounted on the plun...  
WO/1990/015230A1
An internal combustion engine comprises a cylinder of stepped configuration having a working portion (21) and a pumping portion (22) and a piston of stepped configuration having a working portion (31) and a pumping portion (32), the work...  
WO/1987/003935A1
A device for pumping a fluid medium comprising a casing (1), the cavity (4) in the upper part (2) of which is connected through selector valves (5, 9) to the atmosphere and to an inlet main (6), whereas in the lower part (3) of the casin...  
WO/1987/003936A1
A pump, comprising a casing (1) with an internal cavity in which is mounted, with the possibility of reciprocating movement, an elastic sleeve (2) one end (5) of which is turned inside out and fixed, along its perimeter, to the inner sur...  
WO/1987/002425A1
A loop pump (1) for pumping liquid, i.e. a pump comprising a pipe (3) or the like embodied in a number of turns/loops, said pipe being rotated by a drive source to introduce alternately air and liquid into an inlet (4) and pumping the li...  
WO/1980/000764A1
In a high voltage breaker the quenching gaz (SF6) is conducted through a filter (3 9) for cleaning and drying surfaces. The circulation of the quenching gaz is provided by a container (4) filled with this gaz which is alternatly heated a...  
JP6753466B2  
JP6695744B2  
JP2019108800A
To provide a screw pump that allows installation and an internal inspection to be safely and easily performed without taking a time and labor for processing, adjustment and an inspection.A screw pump rotates a screw shaft to transfer a l...  
JP6526727B2  
JP6427980B2  
JP2018178804A
To provide a method of repairing a blade of a screw pump that can easily maintain the axis and rotation balance of a screw blade.The method comprises: a screw shaft supporting step for rotatably supporting a horizontally placed screw sha...  
JP2018128005A
To integrate independent natural energy such as photovoltaic power, wind power, small hydraulic power and wave power to the control of one output system, and to easily control the prediction of a power generation amount or a power genera...  
JP6373308B2  
JP6311892B2  
JP2017223175A
To provide a shaft divided screw pump structured to easily perform shaft core adjustment of a screw shaft, and a manufacturing method thereof.The present invention relates to a shaft divided screw pump 100 comprising: a cylindrical first...  
JP6170397B2  
JP6139637B2  
JP2017089466A
To provide a double spiral pump having a less restriction against its installation location.A double spiral pump 1a comprises a plurality of annular discs 2 co-axially arranged while being spaced apart by a specified spacing; a plurality...  
JP6132408B2  
JP6123478B2  
JP6096631B2  

Matches 601 - 650 out of 1,739