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WO/2013/026508A1 |
A piston - chamber combination comprising a chamber (186) which is bounded by an inner chamber wall (185) and comprising a piston inside said chamber to be engagingly movable relative to said chamber wall at least between a first longitu...
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WO/2012/163618A2 |
Compressor unit in a portable compressed-air source, comprising a reciprocating piston compressor driven by a slider crank mechanism and having a piston that is oscillated in a cylinder and delimits a compression chamber, said cylinder b...
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WO/2012/063959A1 |
The present invention discloses an air pump which is very compact, light, simple to manufacture, and which has a hose which is either permanently attached or attachable/detachable. Furthermore, the hose used with the pump is poly-urethan...
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WO/2012/014087A2 |
An auto/manual gas inflator incorporating a gas cylinder and an auto cap. A first indication mechanism is provided for indicating the status of the gas cylinder which is visible through a first window in the inflator housing and a second...
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WO/2011/150744A1 |
A lever inflator is provided. A lever (8) comprises a pivot (9), a long stem (7), a pushing stem (5), a short stem (11), and a pushing stem (12). The pushing stem (5) is inserted into an air cylinder (6). The pushing stem (12) is inserte...
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WO/2011/128240A1 |
The present invention relates to a device for charging a tank of compressed propellent for guns, a projectile thereof being propelled by said propellent, where compressed air reaches a pressure about 250 bar in order to propel said proje...
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WO/2011/118886A1 |
The present invention relates to a vacuum pump that can create a vacuum state inside a container by discharging the air inside the container to the outside, and to a vacuum container having same. The vacuum pump of the present invention ...
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WO/2011/100430A2 |
A human-powered pump assembly includes a frame and a treadle pivot attached to the frame, such that the treadle pivot defines a horizontal rotational axis. The pump assembly includes a pair of treadles coupled to the treadle pivot and a ...
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WO/2011/091544A1 |
The invention relates to a drive device for linearly and joltingly moving an object to be moved comprising a winding reel (14), which is rotatably arranged in a drive housing (10) and which can be rotationally driven by a drive cap (20) ...
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WO/2011/069241A1 |
A fluid pump (10) has a compression member (12) having a variably-sized compression surface (13b) movable against fluid pressure in a chamber (22). The effective surface area of the compression member (12) decreases in size together with...
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WO/2011/063573A1 |
A power supply equipment (2) comprises an airflow generating unit (21), an air motor (22) connected with the airflow generating unit (21) through a tube, and a generator (23); the airflow generating unit (21) generates airflow. The air m...
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WO/2011/049549A1 |
The present invention addresses the need for a water pump that may be constructed from inexpensive materials available even in impoverished areas. The pump uses a simple rocking motion to pump water and can pump significant amounts of wa...
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WO/2011/046352A2 |
The present invention relates to a manual hand pump, particularly to a manual hand pump having a sealing function, which can carry out an air suction function for vacuuming and a sealing function at the same time. The manual hand pump ha...
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WO/2011/000578A2 |
A sensor-reader combination, measuring the size of a parameter of a remotely positioned device, the combination comprising a measuring space, in which the size of said parameter is to be measured, said sensor is remotely positioned from ...
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WO/2010/145838A1 |
The invention relates to a manual air pump, in particular a bicycle air pump, comprising a cylinder, in which a piston is supported in an at least axially moveable manner for pumping. To this end, the invention comprises a generator (2) ...
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WO/2010/143931A1 |
Inflation kit, especially for inflating balloons, balls and the like, characterized in that it comprises: two opposing hollow interlocking bodies, one having at least one inlet for air coming from the outside and the other body having at...
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WO/2010/141411A1 |
A method, and apparatus for pressurizing a fillable-structure, wherein a space defined by the pump, an untraversed plunger, and a closure is a volume, Vt, and a stop to limit the travel of the plunger along the pump so a volume, Vb, rema...
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WO/2010/115430A1 |
A lever pump (1) for use in anal irrigation is provided. Such a pump has an actuating handle (2) which the user moves up and down. Due to the length of the handle, the handle functions as a lever to the pump mechanism. The pump mechanism...
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WO/2010/033891A1 |
A hand-actuated pump includes a cylinder with a proximal end and a distal end. The distal end defines an opening. The hand-actuated pump also includes a piston with a proximal end. The proximal end of the piston is configured to be slida...
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WO/2010/025511A1 |
A pump comprising a first pump mechanism having a first chamber; a first casing forming at least part of the first chamber; at least one first chamber inlet fluidly connected to the first chamber; at least one first chamber outlet fluidl...
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WO/2010/019108A1 |
Manually operated air pump for multi-stage compression of ambient air comprises a multiple co-axial cylinder arrangement. The air inlet (3) is located in the pump handle (2), through which air passes to enter the pump. The pump handle fu...
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WO/2009/117026A1 |
A vacuum pump comprises a casing having a bottom forming an aperture therein and a chamber slidably coupled within the casing. The chamber has a bottom forming an aperture therein. The vacuum pump further comprises a piston slidably coup...
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WO/2008/128400A1 |
An inflator includes a cylinder (1), an air inlet rod (2), a piston (3), a head region (4) and an air nozzle joint (5). The first end of the cylinder (1) is provided with some air orifices (111) and the second end is closed; said air inl...
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WO/2008/112093A1 |
A vacuum food storage device having a container, a lid, a pump to evacuate air, a switch engageable by contact of the pump to the lid, or by contact of the Hd to the container, to permit the pump to evacuate air from the container to a d...
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WO/2008/095352A1 |
An inflating device comprises a valve body and a compressible bladder. The valve body has a inlet and a unidirectional outlet. The bladder is attached to the valve body, and communicates with the outlet and the inlet by the passages with...
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WO/2008/047252A2 |
A manual gas inflator (10) includes a cylinder status indicator (160) that is independent from a cylinder pierce pin (190). Prior to detonation, an indicator post (176) abuts a sensor protrusion (106), which positions a green surface (17...
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WO/2008/025391A2 |
A piston-chamber combination (6) comprising an elongate chamber (7) which is bounded by an inner chamber wall, and comprising a piston means in said chamber to be sealingly movable relative to said chamber wall at least between a first a...
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WO/2008/009119A2 |
A portable pumping apparatus for concurrently pumping liquid from a source container to a destination container and pumping vapor from the destination container to the source container comprises a liquid and vapor pump having a liquid in...
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WO/2007/048539A1 |
A pressurization system for a bicycle is proposed, which has at least one component (18, 20, 24, 28) which is acted upon by a gaseous pressure medium, said pressurization system comprising a pressure source (40) connected to the componen...
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WO/2006/125302A1 |
A combination lock and pump having a shackle; a cross-member having a first end and a second end, the cross-member including a hole at the first end and a hole at the second end adapted to receive the shackle; a locking mechanism adapted...
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WO/2006/110992A1 |
A pump assembly with a first pump to displace a first volume and a second pump to displace a second volume greater than the first volume. The first pump draws liquid from a reservoir and dispenses it to the second pump. The second pump d...
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WO/2006/110995A1 |
This invention relates to a pump and container apparatus having a pump. The container apparatus has a container housing and a foot pump means for pumping liquid connected to the container housing. The container housing has a storage cham...
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WO/2006/071127A1 |
A pump (60, 160) has a pair of working members (preferably diaphragms 1, 2, 101 , 102) and a pump chamber (3, 4, 103, 104) associated with each working member is communicated via check valves (32-35, 132-135) to a suction manifold (30, 1...
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WO/2006/036075A1 |
A manually operable pump (1) comprising a rigid inner cylindrical member (31), a rigid outer cylindrical member (32) telescopically and slidably mounted over the inner cylindrical member. The inner cylindrical member includes a valved ai...
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WO/2006/032070A1 |
The invention relates to a device (1) for the dosed intake and delivery of a liquid, especially an infusion liquid. Said device comprises a cylinder (3) embodying a liquid chamber (2) that can be pressurised, a piston (7) which is guided...
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WO/2006/017862A1 |
The invention provides a pneumatic pump for a bicycle frame, wherein the seat tube of a bicycle frame provides, in use, a tubular member for a cylinder for a reciprocal bicycle pump. The pump (18) includes a plunger (20) and pump rod (22...
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WO/2006/012820A1 |
The invention relates to a pump comprising a wall (3; 21, 22; 31, 32, 33), which forms an enclosed fluid volumetric space (1) and which can be moved by a first force (F) in a direction resulting in a decrease in volume and, after a prece...
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WO/2005/090787A1 |
A manually operated pump for a bicycle comprises two cylindrical members with a first cylindrical member slidable within a second cylindrical member. One end of the first cylindrical member is provided with a fitting to receive a saddle ...
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WO/2005/075825A1 |
The invention relates to a nozzle (1) for inflating inflatable articles, for example leisure-time articles such as air cushions, inflatable boats etc. Said nozzle comprises a nozzle channel (7) for carrying air and at least one lateral o...
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WO/2005/058638A1 |
An air-tight, flexible cushion (1) in a highly schematic representation is connected to a vibrationally driven air pump (2) by means of a pressure line (4). A suction line (6) connects the air pump (2) to the surrounding atmosphere. Pres...
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WO/2005/050012A2 |
A hand pump includes a pumping system having a primary pressure chamber and a valve control assembly. The valve assembly includes a vent passageway in communication between the primary pressure chamber and ambient and a valve seal assemb...
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WO/2005/035091A2 |
A pump and stopper combination for vacuum or pressure sealing a container. The stopper has a pour opening and a one-way valve movable between an operative position to permit one-way flow of fluid into or out of the container when the pou...
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WO/2004/110901A1 |
A pressure-limiting pump system (28’) for pressurizing a vessel(12’), including a plunger (26’) terminating in a piston (42’) loose-fitting within a cylinder (30’). The piston (42’) includes a flange (58’) forming the lip o...
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WO/2004/110919A2 |
A stackable pressure vessel has a substantially non-circular horizontal cross-section and is capable of containing fluids having at least 50, 250 or 1000 psi. The arrangement of various elements on the vessel serve to abate loading on th...
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WO/2004/110648A1 |
A swivel outlet assembly serving as a conduit for fluid flowing from a vessel to a hose has a swivel outlet top that is rotably attached to a swivel outlet base. A bore in the swivel top is in fluid communication at an acute angle with a...
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WO/2004/108298A2 |
A sprayer has a spray shield and a spray shield retainer. The spray shield is removably attached to the spray shield retainer for efficient storage when not in use. The spray shield can be contoured to the body of the sprayer. The spray ...
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WO/2004/106164A1 |
A cap (18) for closing a threaded port (14) in a vessel (10) such as a pressure sprayer tank. A cup-shaped central portion of the cap (18) faces into the vessel when the cap (18) is installed onto the threaded port (14). The cup-shaped p...
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WO/2004/083026A1 |
A vehicle safety warning signal system for use on a bicycle, motorcycle, or like vehicle comprises: an elongate air pump (101) having a longitudinal length, the pump being provided to function as a visual warning device, such as, for exa...
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WO/2004/076818A2 |
In one embodiment, a pneumatic power-supply assembly includes a refillable chamber having an interior capable for holding a pressurized fluid, a vent, and a fluid inlet. A pressure release mechanism within the chamber permits the pressur...
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WO/2004/042230A1 |
The invention relates to an improved arrangement of an air pump which can be inserted into the seat pillar (50) of a bicycle and which comprises a cylinder (2), a piston with a piston rod (3), a handle (4) and an air outlet valve (5) whi...
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