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Patent Searching and Data


Matches 1,551 - 1,600 out of 38,153

Document Document Title
WO/2015/086158A1
The invention relates to a screw-type compressor (10) for compressing refrigerant, which comprises: an electric motor (14), which has a rotor (16) and a stator (18); a drive shaft (20); and a compressing device (22) having a compressor s...  
WO/2015/086161A1
Disclosed is a screw compressor (10) comprising a compressing device (18), in particular at least one screw-type rotor (20, 22), which feeds a compressed medium to an oil separation device (30). The oil separation device has a first volu...  
WO/2015/083194A1
Provided is a screw vacuum pump that achieves a higher speed and is capable of maintenance-free operation for long periods. A supporting member (200) is disposed between a rotary shaft (150) and the inner wall surface of a male rotor (11...  
WO/2015/083369A1
The compressor mechanism (30) of this scroll compressor is provided with: an introduction mechanism (70) that has an introduction pathway (71, 72) interconnecting a compression chamber (31) and a back pressure chamber (56), and that supp...  
WO/2015/083195A1
Provided is a screw vacuum pump that has a higher exhaust velocity by achieving high-speed rotation of a screw rotor. A bearing (160) that rotatably supports a rotary shaft (150A) with a male rotor (110) coupled thereto is disposed in a ...  
WO/2015/081543A1
 Disclosed is a compression unit of a rotary compressor, comprising an air cylinder (31); an upper bearing (4) and a lower bearing (5) which define a cavity together with the air cylinder; a piston (71) which defines a working space wi...  
WO/2015/081261A1
Scroll compressor designs are provided to minimize vibration, sound, and noise transmission. The scroll compressor has a bearing housing, and orbiting and non-orbiting scroll members. The non-orbiting scroll member has a radially extendi...  
WO/2015/079711A1
When the supply of oil from an oil supply passage (27) to an upper bearing (62) is stopped due to the running out of oil, oil stored in a crank chamber (54) is supplied from the crank chamber (54) to the upper bearing (62) through both a...  
WO/2015/075851A1
The present invention prevents damage to a housing in a caulked portion, even if an excessive thrust load occurs in a compression mechanism. A scroll compressor (1) which comprises: the housing (3); the compression mechanism which is acc...  
WO/2015/076001A1
A negative pressure pump (10) has: a closed-bottom cylindrical housing (20) into which lubricant is supplied and which has a circular hole (32) formed in the bottom section (24) of the housing (20); a rotating shaft (40) which is provide...  
WO/2015/068693A1
 A claw pump has: a housing forming a pump chamber; two rotating shafts arranged parallel to each other inside the housing; a pair of rotors secured respectively to the two rotating shafts inside the housing, two or more hook-shaped pa...  
WO/2015/068092A1
The heat pump P is designed for a household appliance H, in particular laundry treatment appliance H, and comprises a rotary compressor 1, a condenser 2, a restrictor 3, and an evaporator 4, wherein the condenser 2 is of an expanded tube...  
WO/2015/067810A1
In a separating wall (16), which separates a vacuum region (18) from a region (20) under atmospheric pressure, pins (24) are provided as a current lead-through. The pins (24) are cast in, for example, glass (26). According to the inventi...  
WO/2015/068762A1
 A claw pump has: a housing forming a pump chamber; two rotating shafts arranged parallel to each other inside the housing; a pair of rotors secured respectively to the two rotating shafts inside the housing, hook-shaped pawls that mes...  
WO/2015/068308A1
 A scroll compressor is provided with: a fixed scroll (1) and a rocking scroll (2) having spiral parts (1b, 2b) with mutually opposite directions of helix on base plates (1a, 2a), and forming a compression chamber (23) by the assemblin...  
WO/2015/006081A3
A screw compressor includes a screw compressor rotor (32). The rotor (32) includes a helical flute (36) extending outwardly from a rotor axis (38). A compressor housing (34) surrounds the rotor (32) and including a suction port (40) and ...  
WO/2015/064612A1
[Problem] To provide a scroll-type fluid machine which is capable of minimising, at a low cost, the occurrence of abnormal noise, as well as reducing the PV value of a rotation prevention mechanism. [Solution] A rotation prevention mecha...  
WO/2015/065677A1
A compressor may include a crankshaft, first and second cylinder housings, first and second rotors, a divider plate, and first and second valves. The crankshaft includes first and second eccentric portions. The cylinder housings define c...  
WO/2015/066307A1
Carbon dioxide compressors having one or more coatings with wear surfaces having electroless surface coatings are provided. Alternatively, propane compressors are contemplated having wear surface coatings. The coating is electrolessly ap...  
WO/2015/062048A1
A rotation type compressor and a refrigeration cycle apparatus. The rotation type compressor (100) comprises lubricating oil sealed in a sealed housing (2), and an electrodynamic type motor (3) and a rotation type compression mechanism (...  
WO/2015/064611A1
[Problem] To resolve the problem of insufficient supply of lubricating oil to each bearing part, shaft seal part, and sliding part in a scroll-type fluid machine, and to increase the efficiency and durability of the scroll-type fluid mac...  
WO/2015/059833A1
A scroll fluid machine is characterized by having: a stationary scroll (4) and an orbiting scroll (5), which are provided within a hermetic container (60); a frame (6) for supporting the orbiting scroll (5) so that the orbiting scroll ca...  
WO/2015/060037A1
To reduce deformation of an endplate in an electric scroll compressor that supports the thrust load of an orbiting scroll by means of the endplate and that is provided with a housing member in which a motor securing part and the endplate...  
WO/2015/060030A1
The electrically driven vacuum pump of one embodiment of the present invention comprises: a pump section for generating negative pressure by sucking and discharging fluid; a case for housing the pump section; and a lid member for closing...  
WO/2015/060038A1
To provide an electric scroll compressor wherein, if a configuration in which pins are engaged is employed as a rotation preventing apparatus for an orbiting scroll, the precision with which the pins are mounted is increased and the perf...  
WO/2015/056432A1
 A scroll-type compressor is provided with: a movable scroll (11) having a spiral-shaped low-stage-side movable tooth part (11b) protruding toward an axial first side of a movable substrate part, and a spiral-shaped high-stage-side mov...  
WO/2015/056292A1
This compressor is provided with: a shell configuring an outer shell; a compression mechanism section which is accommodated in the shell, and which compresses a coolant; an electric motor mechanism section which is accommodated in the sh...  
WO/2015/053212A1
[Problem] To provide a scroll-type fluid machine that makes it possible to achieve both quietness and a compact size. [Solution] A scroll-type fluid machine (1) that comprises a fixed scroll (4) and a movable scroll (7) that rotates arou...  
WO/2015/053064A1
 A negative-pressure pump (10) has: an electrically insulating housing (20) that is cylindrical in shape and closed at one axial end by a lid (34); an electroconductive rotating shaft (40) that is disposed inside the housing (20), mech...  
WO/2015/054632A1
An improved discharge port of a rotary screw compressor is described. A discharge port of a screw compressor generally includes a restrictive portion to help prevent a leakage of working fluid back to a suction side of the compressor. Th...  
WO/2015/052605A1
This scroll compressor (2) includes a first and second fixed scrolls (4, 5) comprising first and second fixed spiral wraps (9, 12), an orbiting scroll arrangement (7) comprising first and second orbiting spiral wraps (14, 15), the first ...  
WO/2015/049745A1
In the present invention, the following are provided: a shell (8) that forms an outer enclosure; a crankshaft (4) that is rotatably supported in the shell (8); a main bearing part (3a) that supports the crankshaft (4); an oscillating scr...  
WO/2015/049905A1
In the present invention, a vane-type compressor comprises the following: a cylinder (1) that has a cylindrical shape and both axial-direction-ends of which are open; a cylinder head (3) and a frame (2) that close both axial direction en...  
WO/2015/045678A1
Provided is a rotary compressor that: removes limitations such as restrictions on intake pipe diameter, seal limits on a separator plate, and assembly limits on a rotating shaft; makes possible a limit design exceeding that of the presen...  
WO/2015/048674A1
Scroll members for scroll compressors made from one or more near-net shaped powder metal processes, either wholly or partially fabricated together from sections. In certain variations, the involute scroll portion of the scroll member has...  
WO/2015/046513A1
A scroll member having: a base material, having an end plate and a spiral blade projecting from the end plate toward another scroll member; a resin layer (L1) formed on the base material; and multiple grooves (C) formed in the surface of...  
WO/2015/042947A1
A refrigerant filling type rotary compressor comprises a housing, a compressing mechanism, an injection pipe and an injection valve. The compressing mechanism comprises a cylinder, a main bearing, a secondary bearing, a crankshaft, a pis...  
WO/2015/045433A1
A rotary compressor equipped with a compression unit having: a ring-shaped cylinder; an end plate for closing the end section of the cylinder, and having a shaft-receiving part and a discharge-valve part; a ring-shaped piston for engagin...  
WO/2015/010780A3
The invention relates to a rotary piston machine with at least two pistons which move on a circular path within a working chamber with a constant cross-section that is enclosed by a hollow cylindrical or annular outer wall and a cylindri...  
WO/2015/040720A1
This scroll compressor is a scroll compressor for compressing a fluid by means of a compression chamber that is formed by combining the spiral of a stationary scroll with the spiral of an orbiting scroll, and is characterized in that the...  
WO/2015/041284A1
A scroll-type fluid machine is provided with a scroll unit (4) having a fixed scroll (2) and a movable scroll (3) in which a bottom plate center (3c) and a wrap spiral center (3d) are eccentric, and a rotation-inhibiting mechanism (30) i...  
WO/2015/035478A1
Liquid injected screw compressor with an inlet valve (6) and blow- off valve (19); a liquid circuit (20) with injector (22); a controller (35) for the transition from unloaded to loaded, whereby when unloaded the inlet valve (6) is close...  
WO/2015/035889A1
Disclosed is a two-stage compression intermediate injection electric scroll compressor for an automobile heat pump. The electric scroll compressor comprises a stationary disk (5) and a movable disk (15), wherein the stationary disk (5) i...  
WO/2015/037106A1
 Provided is a scroll compressor in which the reliability of a release valve device can be ensured. The scroll compressor is provided with: a turning scroll (3) having a turning scroll lap; a fixed scroll (4) having a fixed scroll lap ...  
WO/2015/033586A1
This rotary compressor is equipped with: an upright sealed compressor case that has a refrigerant discharge section at the top and refrigerant intake sections at a lower part and accumulates a lubrication oil therein; and oil supply mech...  
WO/2015/032562A1
A double-stroke vane-type pump (1) for a transmission of a motor vehicle is proposed, comprising a stator (2) and a rotor (3), wherein the rotor (3) has radially extending rotor slots (4, 5) in which there are arranged vanes (6) which ca...  
WO/2015/033550A1
A check valve chamber-forming hole (127), which forms a check valve chamber (51) which is a space required for the displacement of a valve body section (522), is formed in a portion of a downstream passage-forming member (12), the portio...  
WO/2015/029755A1
A screw compressor has a pair of rotors and a casing, the casing having formed therein: a rotor chamber for housing the pair of rotors; and a port for connecting the rotor chamber and an opening which serves as a suction opening or a dis...  
WO/2015/025449A1
Provided is a multi-stage compressor that can supply a gaseous refrigerant at an intermediate pressure compressed by a low-stage compression element to a high-stage compression element without using a pipe, and can reduce suction loss wh...  
WO/2014/141297A3
A compressor including a shell, and a compression mechanism disposed in the shell including a first scroll member having a first spiral wrap and a second scroll member having a second spiral wrap intermeshed with the first spiral wrap. A...  

Matches 1,551 - 1,600 out of 38,153