Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 851 - 900 out of 30,215

Document Document Title
WO/2020/208803A1
Either one of an outside curve and an inside curve of a fixed spiral body and an orbiting spiral body respectively is a curve that is an involute of a base circle, and that is defined by formula (1) and formula (2) using an involute angl...  
WO/2020/209824A1
Refrigerant compressor with external cooling, comprises housing (1), inside which there are: crankshaft (2), rotor (3), stator (4,) compression chamber (5), oil sump (6); and outside on the housing (1) there are pipe for refrigerant inle...  
WO/2020/200906A1
Compressed air station comprising at least two waste heat-delivering compressed air components, with the respective compressed air component being designed either as a compressor or as a refrigeration dryer, with at least one of the comp...  
WO/2020/200904A1
The invention relates to a compressed air station comprising at least two compressed air components that deliver waste heat, with each compressed air component being designed either as a compressor or as a cold dryer, and also comprising...  
WO/2020/202676A1
Provided is a highly reliable compressor or the like. A compressor (100) is provided with: an airtight container (1) in which lubricating oil is sealed; an electric motor (6) which has a stator (6a) and a rotor (6b) and which is installe...  
WO/2020/202544A1
This hermetic rotary compressor comprises a crankshaft, an electric motor section that causes the crankshaft to rotate, a compression mechanism section driven by the crankshaft, and a hermetic container within which the aforementioned co...  
WO/2020/201218A1
The present invention relates to a dry-type vacuum pump (1) comprising an ancillary stator (13) at least traversed by one of the shafts (4); - a suction pipe (14) provided with a controllable inlet valve (15), connecting an inlet (17) of...  
WO/2020/202515A1
Provided is a compressor and the like with high reliability. A compressor (100) includes a cylindrical oil ring (15) provided between a compression mechanism portion (2) and an electric motor (6). A stator (6a) of the electric motor (6) ...  
WO/2020/205672A1
A compressor that includes a shell assembly, a compression mechanism and a conduit. The shell assembly defines a chamber. The compression mechanism is disposed within the chamber of the shell assembly and includes a first scroll member a...  
WO/2020/201477A1
The application relates to a scroll compressor (24) for refrigerant of a vehicle air conditioning system, comprising a fixed scroll (58) having a baseplate (58b) and having a spiral wall (58a) and also having a circumferential delimiting...  
WO/2020/202984A1
This vane pump (100) is provided with a pump housing (10) having an accommodation recess part (11) and a pump cartridge (20) accommodated in the accommodation recess part (11), wherein: the pump cartridge (20) has a rotor (24), a plurali...  
WO/2020/198442A1
A compressor may include a compression mechanism, a driveshaft, and an oil allocation member. The driveshaft drives the compression mechanism and includes a lubricant passage having an inlet and first and second outlets. The first outlet...  
WO/2020/197598A1
A seal assembly configured for use with a high pressure single screw compressor includes a seal body and at least one attachment structure. The at least one attachment structure fixedly attaches the seal body to the rotor of the compress...  
WO/2020/194994A1
A scroll compressor (10) is provided with: a cylindrical casing (10); and a circumferential guide (83) that is provided on an inner peripheral surface of the casing (10) and guides a compressed refrigerant. The circumferential guide (83)...  
WO/2020/195490A1
This sealed compressor is provided with a compression mechanism unit that compresses a refrigerant in a sealed vessel, wherein: the compression mechanism unit is provided with a first member and a second member that slide against each ot...  
WO/2020/196002A1
[Problem] To provide a scroll compressor with which it is possible for a pressure loss in a pathway extending from a discharge space to a discharge port to be reduced effectively. [Solution] This scroll compressor is provided with a disc...  
WO/2020/194762A1
The purpose of the present invention is to provide: a refrigerator oil (lubrication composition) that improves the wear resistance of an Oldham's link during a high oil temperature/low speed operation; and a method for producing the same...  
WO/2020/194906A1
The present invention provides a scroll member which has excellent mechanical strength at the root part of a blade, where the largest load is applied, and which is provided with an alumite film that has a sufficient hardness. The prese...  
WO/2020/187342A1
In a two-rotor or piston compressor, a portion of compression of the sucked -in gas in the working space (3) is carried out by feeding the compressed gas directly into the working space (3) through a different path (7, 9) than the path (...  
WO/2020/189603A1
[Problem] To provide a scroll compressor with improved workability when communicating a back pressure chamber and a compression chamber. [Solution] The present invention comprises: a back pressure chamber 39 that is formed in a back surf...  
WO/2020/189602A1
[Problem] To provide a scroll compressor with which it is possible to eliminate the problem of excessive back pressure in a wide suction pressure range. [Solution] The scroll compressor is provided with: a back pressure chamber 39 formed...  
WO/2020/188738A1
The outer curve of one spiral is defined using a basic curve and a group of circles having a radius of eλ, and the inner curve thereof is defined using an inversion curve and a group of circles having a radius of eλ. The inner curve of...  
WO/2020/189601A1
[Problem] To provide a scroll compressor in which the development of localized contact caused by deformation of a fixed scroll or a movable scroll due to the influence of compressive reaction force or thermal expansion is effectively sup...  
WO/2020/182317A1
A dry pump for gas comprises a first rotor (1) comprising a first portion with lobes (1A) and a first screw (1B), and also a second rotor (2) comprising a second portion with lobes (2A) and a second screw (2B). A casing delimits an inter...  
WO/2020/185860A1
A compressor includes a shell, first and second scroll members, a fitting assembly and a valve assembly. The first scroll member includes a first end plate having a first spiral wrap extending therefrom. The second scroll member includes...  
WO/2020/184873A1
The objective of the present invention is to provide a fluid compressor comprising: a driving module (10) comprising a driving motor and a motor case in which the driving motor is embedded; and a compression module (20) comprising a roto...  
WO/2020/183627A1
This scroll machining device is a device for machining a scroll base material using a machining tool, by moving the machining tool and the scroll base material, which is fixed onto a table, relative to one another. The scroll machining d...  
WO/2020/183546A1
A helical gear pump comprises: a casing that is constituted by a body (11), a front cover (12), and a rear cover (13); a pair of helical gears (23) and (24) that is accommodated inside a hole formed in the body (11) and meshes with each ...  
WO/2020/179051A1
This scroll compressor is provided with a fixed scroll and an orbiting scroll having spiral teeth that mesh with each other, and which performs compression by causing the orbiting scroll to orbit around the fixed scroll, wherein the spir...  
WO/2020/179652A1
A compressor comprises a rotary shaft (12), a rotary body (160) that rotates with the rotation of the rotary shaft, a fixed body (90, 110) that does not rotate with the rotation of the rotary shaft, and a vane (131) inserted in a vane gr...  
WO/2020/177357A1
A compressor (100) and an air conditioner. The compressor (100) comprises: a first cylinder assembly (30) comprising a first cylinder (32) and a first slide (36); and a volume-variable control assembly (40) comprising a voltage stabilizi...  
WO/2020/178344A1
The invention relates to an oil-lubricated rotary vane vacuum pump (1) comprising a rotary vane unit (2), having a rotary vane chamber (10) and a rotary vane rotor (11), and comprising an oil separator device (3), wherein gas and oil are...  
WO/2020/179043A1
A hermetic compressor comprising, on the interior of a hermetic container, a compression mechanism and an electric motor which drives the compression mechanism, with the compression mechanism being driven by the electric motor which is l...  
WO/2020/178895A1
This screw compressor comprises an internal volume ratio variable mechanism including a variable Vi valve that enables a Vi value, which is an internal volume ratio, to be varied. In the screw compressor, the position of the variable Vi ...  
WO/2020/177817A1
A method for operating a scroll compressor (110) for an air conditioner (100), said scroll compressor (110) having a fixed spiral (101) and a spiral (102) that can move relative to the other spiral and that is disposed in a housing chamb...  
WO/2020/173474A1
A processing method of a piston (220), a processing method of a rotary compressor, and a rotary compressor. The processing method of the piston (220) comprises performing quenching, a cryogenic treatment, and a tempering treatment on the...  
WO/2020/175415A1
A compressor is provided with: a rotation shaft; a rotation body that is configured to rotate with rotation of the rotation shaft; a fixed body that is configured so as not to rotate with the rotation of the rotation shaft; a cylinder pa...  
WO/2020/174885A1
A first oil draining groove (81) and a second oil draining groove (82) are formed on opposite surfaces of a fixed scroll (60). A portion of the first oil draining groove (81) and the second oil draining groove (82) opens to the outside i...  
WO/2020/174534A1
This scroll compressor is provided with: a shell having a suction pipe for causing a fluid to flow to the inside; a compression mechanism part that has an oscillating scroll forming a compression chamber together with a fixed scroll and ...  
WO/2020/170361A1
A rolling piston type compressor provided with a compression mechanism unit inside a sealed container, wherein the compression mechanism unit has a cylinder, an upper bearing, and a lower bearing, and is provided with a suction connectin...  
WO/2020/170886A1
This hermetically sealed compressor is provided with a hermetically sealed container (1), an electric motor unit, a compression mechanism unit, a suction pipe (6) for sucking in a refrigerant, and a discharge pipe for discharging to the ...  
WO/2020/168726A1
Provided are a compressor and a heat exchange device, wherein, the compressor comprises: a rotor structure (10); a crankshaft (20), which passes through the rotor structure (10); an oil-retaining structure (30), which is connected to the...  
WO/2020/169978A1
A single screw compressor comprises a main rotor and at least one gate rotor, a casing for the main rotor having a discharge port at a discharge end of the casing, and a slide slidable within a bore in the casing adjacent the main rotor....  
WO/2020/164943A1
The invention relates to a rotary piston pump (1), in particular a claw pump, comprising a housing (2) which, when placed in a customary manner, has a housing inlet (11) in a housing upper side (3). In order to further improve a rotary p...  
WO/2020/166431A1
According to the present invention, a muffler space (14), to which a coolant is discharged, is configured such that the width (D) of a portion corresponding to a discharge port (12) is smaller than the horizontal width (L) of a coolant o...  
WO/2020/165689A1
Screw rotor, characterized in that the screw rotor (1) is made out of polymer, wherein the screw rotor (1) consists of a shaft (2) with a rotor body (3) on it, wherein the polymer of the shaft (2) is reinforced with fibers (4), wherein t...  
WO/2020/165962A1
A compressor (3) is provided with a motor (6), a compressor mechanism part (31) driven by the motor, and a rotation shaft (10) that couples the motor and the compressor mechanism part. At least a portion of the rotation shaft is formed f...  
WO/2020/166285A1
This compressor is a multi-stage compression type compressor provided with a hermetically sealed container, and a rotary compressing mechanism which is accommodated inside the hermetically sealed container and which compresses a refriger...  
WO/2020/166290A1
A compressor that comprises a rotary shaft (12), a rotary body (60) that has a rotary body surface (71) and a vane groove (130), a fixed body (90) that has a fixed body surface (100), a vane (131) that is inserted into the vane groove, a...  
WO/2020/165561A1
A compressor includes a main rotor (4), formed substantially as a cylinder and rotatable about an axis of the cylinder, the main rotor having helical flutes, and a casing. An inlet port admits gas into a first part of the flutes at a fir...  

Matches 851 - 900 out of 30,215