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Patent Searching and Data


Matches 1 - 50 out of 13,751

Document Document Title
WO/2018/011767A1
The present invention concerns a pump for high-density powder transfer. The pump for high-density powder transportation according to the present invention has four-stroke operation, in which four pumping chambers in reality constitute a ...  
WO/2018/007313A1
Cylinder head cover (8) for a refrigerant compressor, wherein the cylinder head cover (8) can be fastened to the cylinder head arrangement (21), in order to configure a cavity for receiving refrigerant which is compressed by way of the p...  
WO/2018/008877A1
The present invention relates to a pump for very precisely controlling the amount of a liquid to be injected in a product production process. The present invention has the following effects: since a moving ring for sealing a cylinder and...  
WO/2018/009402A1
An inlet valve system for a cylinder chamber of a reciprocating compressor and a method for unloading the inlet valve system are provided. The inlet valve system may include an unloader, a valve assembly including a cylindrical valve bod...  
WO/2018/009142A1
An infusion pump is disclosed, which comprises a housing, a chamber located in the housing, an outlet, an outlet valve between the chamber and the outlet, an inlet,and an inlet valve between the inlet and the chamber. At least one of the...  
WO/2018/000323A1
A piston for a single-stroke pump (20) includes a pump rod(68), a seal ring (70) extending around the pump rod (68) and having a central bore (88), and a retaining device (72) disposed on the pump rod (68) and retaining the seal ring (70...  
WO/2018/001912A1
A water part module (12) for attaching to a piston pump, which comprises a support unit (14) that can be releasably attached to the piston pump and at least respectively one suction module (16) and pressure module (18) that is or can be ...  
WO/2018/004244A1
The present invention relates to a control valve for a variable displacement compressor, comprising: a body having a receiving space formed therein, in which a first port communicating with a crank chamber of the variable displacement co...  
WO/2017/220693A1
The invention relates to a particularly compact, efficient and operationally reliable pump device (10) for conveying fluid (126) to be pumped, comprising at least one drive unit (284) having a drive (62) and at least one receiving area (...  
WO/2017/220696A1
A disc-like shape gasket (42) with a front face (46) and a rear face (44) radially extending about a main axis (X) from a peripheral outer edge (48) to an inner edge (50), surrounding a central opening (52), shaped (62) so as to be sligh...  
WO/2017/215819A1
The invention relates to a delivery pump (10) for cryogenic fuels (1), comprising a pump casing (11) inside which a pump piston (25) is arranged in such a way as to be able to reciprocate within a pump chamber (30); the pump piston (25) ...  
WO/2017/215820A1
The invention relates to a delivery pump (10) for cryogenic fuels (1), comprising a pump casing (11) inside which a pump piston (25) is arranged in such a way as to be able to reciprocate within a pump chamber (30); the pump piston (25) ...  
WO/2017/215991A1
The invention relates to a method and to an apparatus for vibration compensation in a piston compressor, the piston compressor (1) of which is driven by means of a crankshaft (5) by a three-phase motor (2) controlled by a frequency conve...  
WO/2017/216321A1
The invention relates to a piston (1) having a roller (120) designed to receive a roller (120) and to slide in a cylinder (2) along a sliding axis (C-C'), said piston (1) comprising: – a body (110) having a guiding surface (111), – a...  
WO/2017/215818A1
The invention relates to a feed pump (10; 10a) for cryogenic fuels (1), comprising a suction inlet (32) which is at least indirectly connectable to a tank container (2; 2a) for the fuel (1), a pressure outlet (33) which is preferably con...  
WO/2017/216284A1
The invention relates to a compressor (1) comprising a cylinder block (3) having a compression chamber (2), a cylinder head (4), a valve assembly (5) arranged between the cylinder block (3) and the cylinder head (4), a piston head (6) ar...  
WO/2017/211480A1
A shoe guide member (30) for a high pressure fuel pump is provided with a guiding bore (56) opening in a top face (52) and in a bottom face (54) of the shoe guide member. The guiding bore (56) defines lateral guiding faces (58,60,62,64) ...  
WO/2017/208222A1
A compressing unit comprising: a cylinder; a first piston configured to slide along said cylinder; and a connecting rod attached to said first piston at a first end and to a crank at a second end, said crank configured to be directly att...  
WO/2017/210386A1
A valve assembly has a port selection assembly with an inlet fluid path and a plurality of outlet fluid paths and a servo-driven barrel. The barrel includes a slot that is aligned with the inlet fluid path. The barrel also includes multi...  
WO/2017/209725A1
A valve retainer assembly and pump including the same. In an embodiment, the valve retainer assembly includes a retainer configured to engage with a suction valve assembly and retain the suction valve assembly within a chamber of a fluid...  
WO/2017/204261A1
[Problem] To provide a pressure detection device in which it is possible to reduce the number of components and achieve a reduction in size, and an electromotive hydraulic pump in which the pressure detection device is stored. [Solution]...  
WO/2017/198360A1
The invention relates to a high-pressure fuel pump (28), comprising a piston (30) with a piston longitudinal axis (33), a sealing device (54) radially surrounding the piston (30), which seals a fuel side (50) against an oil side (52), wh...  
WO/2017/198718A1
A hydraulic device (1) comprises a housing (27), a shaft (2) which is mounted in the housing (27) and rotatable about a first axis of rotation (4), wherein the shaft (2) has a flange (8) extending transversely to the first axis (4), a pl...  
WO/2017/198720A1
A hydraulic device (1) comprises a housing (27), a shaft (2) which is mounted in the housing (27) and rotatable about a first axis of rotation (4), wherein the shaft (2) has a flange (8) extending perpendicularly to the first axis (4), a...  
WO/2017/191228A1
The present invention relates to a hermetic compressor (1) suitable for use for circulation of a refrigerant fluid in a refrigeration cycle in cooling devices, for example in refrigerators, comprising a casing (2); a cylinder (3) that is...  
WO/2017/193037A1
Modular mechanically driven diaphragm pump features are presented herein. Such a diaphragm pump can include a motor, a drive mechanism, and a coupling mounted on a wheeled frame. A diaphragm pump can be mounted to the coupling by forming...  
WO/2017/191229A1
The present invention relates to a hermetic compressor (1) suitable for use for circulation of a refrigerant fluid in a refrigeration cycle in cooling devices, for example in refrigerators, comprising a casing (2); a cylinder (3) that is...  
WO/2017/187228A1
A hydraulic pump assembly includes a stationery pump body with a back panel, at least one compression chamber in the pump body, a piston slidably disposed in the compression chamber, an input shaft, an actuator means for reciprocating th...  
WO/2017/186415A1
The invention relates to a piston compressor comprising at least one cylinder for compressing air with a piston arranged such that it can move therein in a compression chamber arranged above the piston in the cylinder. The compression ch...  
WO/2017/185094A1
A system and method for fueling multiple saddle tanks of hydraulic fracturing equipment from a single self-propelled cart. The cart having multiple retractable fuel lines for providing and obtaining fuel. Each retractable fuel supply lin...  
WO/2017/179496A1
Provided is a plunger pump capable of achieving minimization of energy loss. This plunger pump comprises a cylinder, a piston, and a seal member. The piston is movably housed within the cylinder. The seal member partitions the interior o...  
WO/2017/174129A1
The invention relates to a refrigerant compressor unit, comprising a compressor housing (52), at least one compressor unit (62), which is arranged in the compressor housing and can be moved by means of bearing and driving parts (68, 72, ...  
WO/2017/174405A1
A fuel pump (110) comprising a pumping plunger (116) comprising a first plunger part (116a) and a second plunger part (116b) and a pump head (112) defining a first barrel (114) in which the first plunger part (116a) is reciprocable to pr...  
WO/2017/174719A1
The invention relates to a proportional metering pump comprising a hydraulic machine (4), a metering mechanism (7) provided with a nozzle (75), characterized in that it further comprises means for attaching the nozzle to the pipe for acc...  
WO/2017/168080A1
The invention relates to a modular pump housing 10 comprising: a pumping chamber 26, substantially cylindrical about a pumping axis and comprising an opening for the insertion of a piston and a base opposite the opening; a face suitable ...  
WO/2017/173077A1
A modular pump features a gas-control-and-drive-unit (GCDU), a cartridge-style-pumping-module (CSPU) and a retainer clip (RC). The GCDU includes a GCDU-housing to receive/provide gas to a gas-passageway causing a GCDU-force in one direct...  
WO/2017/167499A1
The invention relates to a pressure damping device (10) for a fluid pump (10), in particular for a high-pressure pump of a fuel injection system, said device comprising at least one damping element (30) which is arranged in the fluid cha...  
WO/2017/167485A1
The invention relates to a pressure damping device (20) for a fluid pump (10), in particular for a high-pressure pump of a fuel injection system, said device comprising at least one damping element (30) which is arranged in the fluid cha...  
WO/2017/162655A1
The invention relates to a metering pump for a metering device, the metering pump can be connected to a storage container. The metering pump comprises a non-return valve having sealing elements on the base side enabling the metering pump...  
WO/2017/164539A1
The present invention relates to a compressor comprising: a compression device receiving driving power so as to suction refrigerant from a suction space, compress the same, and discharge the same to a discharge space; an oil storage cham...  
WO/2017/157554A1
The invention relates to a high-pressure pump, having a pump housing (2), on which a pump cylinder head (4) having a a pump cylinder (3) is arranged, wherein a pump push rod (26) is arranged in a pump cylinder guide (27) of the pump cyli...  
WO/2017/160885A1
Embodiments of the invention provide a piston assembly for a control valve in a water softener system. The control valve includes a drive mechanism,, one or more fluid passageways, and a seal assembly. The piston assembly includes a main...  
WO/2017/160180A1
The device is intended for use in the field of oil industry equipment, for the design, preparation, use and repair of high-pressure plunger pumps. A high-pressure pump plunger having a coating applied to the surface thereof. The coating ...  
WO/2017/153072A1
The invention relates to a piston pump (10), in particular as a pressure generator in an electronically slip-controllable vehicle brake system, comprising a pump cylinder (12), in which a drivable piston (14) is slidably accommodated, a ...  
WO/2017/155243A3
A cylinder coupling structure of a small air compressor according to the present invention, in which a cylinder is integrally coupled to a block by which a crankshaft is shaft-supported, wherein the block is provided with a supporting en...  
WO/2017/155243A2
A cylinder coupling structure of a small air compressor according to the present invention, in which a cylinder is integrally coupled to a block by which a crankshaft is shaft-supported, wherein the block is provided with a supporting en...  
WO/2017/153153A1
The invention relates to a piston pump, in particular for a motor vehicle, comprising a piston (8) that is movably mounted in a housing, a linear actuator (4) for moving the piston (8) in a first direction, and a return spring (23) for m...  
WO/2017/146126A1
A water supply device (1) is provided with the following: a main board (73) that is fixed to a water supply device body (100) and that controls the operation of pumps (12a, 12b); and a wireless communication board (79) that is fixed to t...  
WO/2017/141099A1
A kit of seals for vibration pumps, comprising a C-ring used as a sealing pad on the pump plunger and a ball used as a check valve after the plunger, wherein the C- ring consists of PTFE filled with fiberglass and the ball is made of cer...  
WO/2017/140188A1
An oil-free high-pressure plunger pump, comprising a pump casing. A main axle (10) and a plurality of plunger mechanisms driven by the main axle (10) are installed within the pump casing. The plunger mechanism comprises a plunger base (1...  

Matches 1 - 50 out of 13,751