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Patent Searching and Data


Matches 401 - 450 out of 3,501

Document Document Title
WO/2000/025024A1
A long-life, low-noise, electromagnetic blower that uses a simplified low-cost structure and operates in either of high-output and low-output modes. In low-output mode, electromagnetic coils (33A, 33B) connected in series are energized b...  
WO/2000/012896A1
A flexible cell assembly comprises a flexible member (1) which, either alone or in conjunction with other components, forms a chamber (43) with one or more ports (41, 42) to communicate with liquids, gases or other materials. The volume ...  
WO/2000/003141A1
A small pump device, comprising a motor which constitutes the small pump device, a case body installed on the output shaft surface of the motor, a rotating cylindrical body which is assembled onto the output shaft of the motor and perfor...  
WO/1999/066628A1
The magnetic actuator for reciprocating motion of a compressor diaphragm, piston or the like. The actuator comprises a stator with stator poles (3a, 3b, 3c), excitation windings (6) and a backing plate (7). Non-magnetic support arms (4a,...  
WO1999051882A9
A motorized pump which includes a flexible diaphragm (70) fitting within a rigid member (90), a motor drive mechanism (28) for driving a puller member (48) attached to the diaphragm away from the rigid member to create a space between th...  
WO/1999/053984A1
The invention relates to a portable apparatus for ventilation support to persons with respiratory distress. The apparatus is provided with a compressed air pump which may be connected to the mouth or the nose via tube means (8) for gener...  
WO/1999/051882A1
A motorized pump which includes a flexible diaphragm (70) fitting within a rigid member (90), a motor drive mechanism (28) for driving a puller member (48) attached to the diaphragm away from the rigid member to create a space between th...  
WO1999020903A3
A diaphragm compressor, comprising: a connecting road (10) with an end mounted to the eccentric shaft (S) of a motor (M) and with the opposite end in the form of an enlarged head (11); a housing (20) surrounding the connecting rod (10) a...  
WO/1999/020903A2
A diaphragm compressor, comprising: a connecting road (10) with an end mounted to the eccentric shaft (S) of a motor (M) and with the opposite end in the form of an enlarged head (11); a housing (20) surrounding the connecting rod (10) a...  
WO/1999/020902A1
A small-sized air pump of simple construction, an air chamber provided therewith, and a wrist watch provided with an air chamber device and well fittable to the arm. A through hole (1a) is provided on an air pump (1) in the position wher...  
WO/1998/008661A1
A pump (20) can be assembled, starting from a basic part (50) having an inlet channel (51) and an outlet channel (52), which terminate in a wall portion (55), by successively: stacking a valve foil (60) provided with an inlet valve (61) ...  
WO/1998/008659A1
The depilation system comprises an electric depilation apparatus (1) and a cartridge (2). The depilation apparatus (1) comprises a depilation head (3), a drive unit (11), and a chamber (12) adapted to accommodate the cartridge (2). The c...  
WO/1997/046807A1
The present invention is for a force machine intended to obtain a to and fro motion, the machine being especially useful for pumping of gases and liquids in various applications. The object of the invention is to obtain a device of the a...  
WO/1997/036092A1
A flexible diaphragm (20) for an air driven diaphragm pump having a circular configuration with an inner attachment portion (22), an outer attachment portion (48) and an annular flexure portion (40) bounded by transition portions to the ...  
WO/1997/029282A1
A fluid circulator with a vibrating membrane, including an internal hydraulic circuit consisting of an intake port (1), a pump housing (2) and a delivery port (3) in that order. In use, said pump housing (2) defines a space (4) having ri...  
WO/1997/017541A1
A pump having a center section (36) including an air valve (76) is arranged with air chambers to either side of an actuator housing. Diaphragms are associated with the air chambers to create enclosed cavities. Pumping chambers are positi...  
WO/1997/005913A1
A motorized pump is disclosed that includes a flexible diaphragm fitting within a rigid member, a motor drive mechanism for drawing a puller member (48) attached to the diaphragm (70) away from the rigid member to create a space between ...  
WO/1997/002421A1
A pumping device (2), in particular for a fuel vapour control system (1) of an internal combustion engine, has a membrane (22) driven by an electromagnet (46) and by a magnetic armature (41). The membrane (22) delimits a feeding chamber ...  
WO/1996/041955A1
A flexible, highly portable pump is designed for volleyball players but has wider applications. Motive force is delivered from a squeezebulb (10) having a check valve (12, 14) at each end and communicating downstream to a fitting (19) wh...  
WO/1996/002760A1
A diaphragm pump (100) comprised of a shaft, means for rotating the shaft (102) at a speed of less than 3,000 revolutions per minute, a first connecting rod (124) connected to a first diaphragm (132) and operatively connected to the shaf...  
WO/1996/002567A1
The present invention refers to proteins extractable by perchloric acid from mammalian liver, particularly from goat liver, and to their use in oncology.  
WO/1995/022693A1
An air treating device (10) having a bellows box (12) in which is mounted a bellows compressor (13) formed of two spaced apart diaphragms (14, 141) having memory-shaped metal alloy elements embedded therein. The diaphragms (14, 141) are ...  
WO/1995/009552A1
The invention concerns an inflatable article, in particular an air mattress, with a part which acts as a pump and a part (1) which is pumped up by the pump. The pump (2) has a closable inlet (8) which is connected via a sheet valve (9) t...  
WO/1995/000187A1
A pneumatic compressor (10) supplies both positive and negative pressure for operating a medical device (300). The pulsing sounds generated by the compressor are attenuated by connecting the inlet (224) of the positive pressure side (34)...  
WO/1994/010868A1
The present invention is an inflation and fluid release mechanism for an inflatable article of manufacture. The inflation mechanism generally comprises a pump (40) and a resilient fluid intake valve (42). The fluid release mechanism (16)...  
WO/1993/002277A1
An inflation mechanism (20) which comprises an inflation head (24) and a sidewall connected by a living hinge or weakened area (28) which permits the inflation head to invert within the interior chamber of the sidewall during compression...  
WO/1992/018814A1
A ventilation system for extracting warm, stale air from a building and transferring heat therefrom to incoming colder, fresher air comprises exhaust bellows (14) for extracting the stale air through a counterflow, high pressure drop hea...  
WO/1992/001154A1
A method of and device for providing compressed air of this invention comprise: a vessel proper (1) having an air chamber that can hermetically seal air therein, and being in structure capable of reducing the internal volume of said air ...  
WO/1990/014517A1
A bellow-type pump comprises a plurality of bellows (51) to (54) grouped radially about the drive axis and driven simultaneously so that the torque is applied uniformly. Asymmetrical loading of the bellows, which reduces their service li...  
WO/1988/005867A1
Pump apparatus (10; 110) for the controlled ingress and egress of a fluid comprising, a generally cylindrical housing (11; 111), a flexible septum (55; 155) disposed within the housing and attached to the housing substantially axially me...  
WO/1987/004499A1
Method and arrangement for producing a slow rise in pressure in pneumatic or hydraulic systems, particularly compressed-air diaphragm pumps. The arrangement includes a delivery channel (24, 26) having a valve (9, 10), the spindle (7) of ...  
WO/1987/003650A1
A pneumatic vibratory diaphragm pump, having a casing (12, 14) comprising an upper chamber (17) having an inlet (59) by which air can be drawn from outside the casing and a lower chamber (16) having an outlet (N) from which air can issue...  
WO/1981/001182A1
A self pumping seal for a reciprocating member (12) provides cooling fluid to the reciprocating member (12) with degradation of an elastomeric seal (34) lessened by separating the elastomeric seal (34) from the higher temperatures of the...  
JP2019183711A
[Subject] A diaphragm pump whose abrasion resistance deviation from circular form of a boss becomes high, and becomes high is provided, taking composition with which lubricating oil is supplied to a sliding part of a drive object and a d...  
JPWO2018109905A1
In an inner side of the 2nd connection mouth 9 of pump head 5, and the 3rd connection mouth 21 of the 1st connection adapter 20A, At least one ribs 9c and 21c prolonged in a connecting direction with valve cartridge 30 are provided, resp...  
JP6593579B2  
JP6594959B2  
JP6594819B2  
JP2019529775A
The present invention relates to a method of operating a fluid pump for pushing out fluid with a pump towards an exit from an entrance, and such a fluid pump, and a micro valve. A main part of a pump (10) in which a fluid pump has the 1s...  
JP6592333B2  
JP6585741B2  
JP6585640B2  
JP2019527352A
An opening (2) as which the present invention specifies fluid connection between a fluid passage (3) in a device (1), and ambient air, It connects with a fluid passage (3), is arranged downstream from a sensor (4) constituted so that at ...  
JP6581124B2  
JP6575634B2  
JP6574464B2  
JP6572619B2  
JP6574451B2  
JP6564644B2  
JP2019132244A
[Subject] A diaphragm pump which can make improvement in detection sensitivity maintain is provided. [Means for Solution] In diaphragm pump 1, expanding and contracting compression spring 42 along the direction of X which is detection ch...  

Matches 401 - 450 out of 3,501