Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 3,287

Document Document Title
WO/2019/129431A1
The present invention relates to a heat pipe (1) enabling improving the operational efficiency particularly in hermetic piston compressors, characterized by an evaporator region (2) having at least one inflection (21) enabling increasing...  
WO/2019/133830A2  
WO/2019/133802A1
A control system (122) includes processing and memory circuitry, the memory circuitry storing a temperature-based capacity control scheme (200) for a chiller system (14) and the processing circuitry being configured to perform the temper...  
WO/2019/091126A1
Provided are a compressor with an oil balancing pipe, a parallel-type compressor unit, and an oil balancing method. The compressor comprises at least one oil balancing pipe (14), wherein an opening at one end of the oil balancing pipe (1...  
WO/2019/091431A1
A method and device for adjusting an oil volume of a compressor of a multi-split system. The method comprises the following steps: (S1) during an operation of a multi-split system, detecting at a first preset time interval whether an oil...  
WO/2019/085501A1
Disclosed are a compressor (100) and an air-conditioning system having same. The compressor (100) comprises a housing (10), a pump body assembly and an enthalpy-adding component (70), wherein the pump body assembly comprises: a first-lev...  
WO/2019/088932A1
A refrigerating cycle apparatus (1) is equipped with a plurality of outdoor units (2a, 2b), each of which includes at least one high-pressure type compressor (4) with refrigerant and lubricating oil (L) stored therein. A discharge pipe (...  
WO/2019/080523A1
A compressor, a refrigeration system and an air conditioner, the compressor comprising: a crankshaft (1), a first air cylinder (2) having a first cavity (21), and a second air cylinder (3) having a second cavity (31); the crankshaft (1) ...  
WO/2019/042825A3
The invention relates to a heat pump having the following features: an evaporator (90) for evaporating working liquid; a condenser (114) for condensing compressed working steam; a compressor motor (110) having a suction mouth (92), on wh...  
WO/2019/074738A1
A method of heating a component within a heating, ventilation and air conditioning (HVAC) system is provided. The method includes maintaining a non-heating condition of the HVAC system component when the HVAC system component is in a non...  
WO/2019/075105A1
A system for cooling a hermetic motor (14) includes a motor cooling refrigerant flow path (24) configured to direct refrigerant from a condenser (18) disposed along a refrigerant loop (16) to a hermetic motor (14), and from the hermetic ...  
WO/2019/060890A1
A heat pump is disclosed that has a hot displacer section and a cold displacer section with a linear actuator section disposed between the hot and cold displacer sections. By providing the linear actuator section between the displacers, ...  
WO/2019/047889A1
A control method for a multi-split air conditioning system, the multi-split air conditioning system comprising a compressor and a plurality of indoor units (2) respectively arranged on a plurality of parallel branches, the indoor unit (2...  
WO/2019/042825A2
The invention relates to a heat pump having the following features: an evaporator (90) for evaporating working liquid; a condenser (114) for condensing compressed working steam; a compressor motor (110) having a suction mouth (92), on wh...  
WO/2019/023618A1
A lubrication additive recovery system is provided for use with a vapor compression system. The vapor compression system includes a compressor having a bearing, a condenser and an evaporator. The lubrication additive recovery system incl...  
WO/2019/008314A1
A heat transfer system comprises a turbine (1) having an inlet la and an outlet lb. The turbine (1) is configured to compress a fluid passing between the inlet (1) a and the outlet (1b) so as to increase the pressure thereof. An accumula...  
WO/2018/212983A1
A refrigeration system and a falling film evaporator. The refrigeration system includes: a refrigeration loop having an air outlet of a compressor, a condenser, a throttle element, a falling film evaporator, and an air inlet of the compr...  
WO/2018/208615A1
Systems and methods are provided and include a compressor for a refrigeration system and a duct assembly that includes a duct frame and a sensor unit. The duct frame provides a path for evaporating refrigerant from a lubricant sump of th...  
WO/2018/198573A1
[Problem] To curb the impact that the lead time for cooling compressors has on the construction schedule of natural gas liquefaction plants. [Solution] This method for constructing a natural gas liquefaction plant includes a transportati...  
WO/2018/193244A1
A method of cooling a boil-off gas (BOG) stream from a liquefied gas tank comprising at least the step of heat exchanging the BOG stream with a first refrigerant in a heat exchanger, the heat exchanger having an entry port and a warmer e...  
WO/2018/180052A1
This suction piping for a compressor comprises: a bent pipe section at least including a first short pipe section which is located on the most upstream side of the flow of fluid to be compressed, a second short pipe section which is conn...  
WO/2018/178485A1
The invention relates to a method for regulating an inverter compressor of a refrigeration system, comprising the following steps: establishing an operating area using threshold values of evaporation temperatures, condensation temperatur...  
WO/2018/176284A1
Disclosed is an air conditioner (100) comprising: a low back pressure compressor (1), the low back pressure compressor (1) comprising a housing (11) and an air cylinder, wherein the housing (11) has an air exhaust port (A) and an air ret...  
WO/2018/173490A1
A heat pump (1), provided with an engine drive compressor (13), an electric compressor (16), an oil separator (20), an electric compressor discharge pipe (85), and an engine drive compressor discharge pipe (81). The oil separator (20) se...  
WO/2018/175948A1
An induction motor for a chiller assembly is provided. The induction motor includes a housing and a stator having a cylindrical shape with a first end, a second end, an interior surface, and an exterior surface. The cylindrical shape def...  
WO/2018/175943A1
A cooling system for a motor to power a compressor in a vapor compression system is provided. The cooling system includes a housing with a cavity enclosing the motor and defining a central axis and fluid directing features extending into...  
WO/2018/169184A1
The present invention relates to an air conditioner. A first invention according to the present embodiment is an air conditioner which has a refrigeration capacity of 16kW to 28kW, inclusive, and uses a mixed refrigerant R134a as a refri...  
WO/2018/169183A1
The present invention relates to an air conditioner. The air conditioner according to the present embodiment has a refrigeration capacity of 16kW to 28kW, inclusive, and uses a single refrigerant R32 as a refrigerant, and a refrigerant p...  
WO/2018/169187A1
The present invention relates to an air conditioner. The air conditioner according to an embodiment of the present invention has a refrigeration capacity of 16kW to 28kW, inclusive, and uses, as a refrigerant, a mixed refrigerant contain...  
WO/2018/153589A1
The invention relates to a heat pump arrangement (1) which comprises a compressor (2), a condenser (6) and an evaporator (8) that are fluidically coupled by means of a working circuit (100) for a working fluid. According to the invention...  
WO/2018/152145A1
A hydraulically operated compressor (1) has a fixed piston (4) and a feed compression or outer cylinder (15). A drive or intermediate cylinder (3) is located between the piston and outer cylinder. A compression chamber (14) is formed bet...  
WO/2018/146848A1
In this heat pump device, a discharge port of a first compression mechanism unit of a first compressor is connected to a refrigerant space of a second sealed container through first discharge piping. Refrigerant spaces of a first sealed ...  
WO/2018/147414A1
Heat source unit (2) for an air conditioner (1) comprising a refrigerant circuit, the heat source unit comprising an external housing (10) accommodating a compressor (3) to be connected to the refrigerant circuit; a heat source heat exch...  
WO/2018/137125A1
A high-efficiency energy-saving air-energy dual-machine heat pump air conditioning system. An outlet of a first compressor (11), via ports d1 and b1 of a first two-position four-way valve (21) and a first check valve (31), and an outlet ...  
WO/2018/132730A1
A refrigeration system includes first and second compressors and an oil separator. The oil separator includes an inlet for receiving refrigerant and oil from the first compressor, a refrigerant outlet, and an oil outlet. The oil separato...  
WO/2018/125171A1
The present disclosure relates to the field of air conditioning technology. In particular, it involves a control method and control system based on a variable speed AC compressor.  
WO/2018/126208A1
Aspects described herein relate generally to rotary compressors that incorporate a flywheel within to significantly reduce the compressor vibration and drive torque ripples as well as to achieve a higher overall electro-mechanical effici...  
WO/2018/116407A1
This refrigeration cycle device (1) comprises a compressor group (3), a four-way valve (5), a first heat exchanger (7), an expansion valve (9), a second heat exchanger (11), an accumulator (13), and an oil storage (15). The oil storage (...  
WO/2018/091939A1
A lubricant separator includes a shell, a vapor inlet located at a first end of the shell to admit a flow of refrigerant and lubricant into the lubricant separator and a muffler positioned in the shell. The muffler includes a first perfo...  
WO/2018/089569A1
A rotary drive for a cryocooler and related cryocooler are disclosed. The rotary drive generates a gas pressure wave for the cryocooler. The rotary drive may include a crankcase, a crankshaft within the crankcase, and a cylinder position...  
WO/2018/082347A1
Provided is a water chilling unit (100), comprising: a compressor (1), an oil separator (4) which is connected to a condenser (3), an evaporator (2) and an oil return device (5). In the oil return device (5), a lead-in end (a) of a Ventu...  
WO/2018/076734A1
Provided is an air-conditioning system (100), comprising: a compressor (1), in which a variable frequency motor (11) is arranged; a condenser (2) comprising a first refrigerant flow passage and a first water flow passage; an evaporator c...  
WO/2018/070630A1
[Problem] Power consumption of a heat pump system is reduced by promoting homogeneous mixing of a refrigerant and a refrigerating machine oil. [Solution] An apparatus: includes a fluid-guide unit, which is assembled by concentrically com...  
WO/2018/061549A1
A compressor (12), air heat exchangers (50, 60), a receiver (15), and a system electrical component box (81) which correspond to each other are installed as one unit in each of a plurality of frame parts (70A, 70B, 70C, 70D) which are ar...  
WO/2018/063965A1
Disclosed is a refrigerant liquid-gas separator (114) thermally coupled to electronics (119) to transfer heat away from the electronics, and assist in vaporizing the liquid refrigerant. The liquid-gas separator device (114) includes a re...  
WO/2018/052694A1
A refrigeration system and a lubricating method thereof. The refrigeration system (100) includes: a compressor (110), a condenser (120), an evaporator (130), and a lubrication circuit (200), the lubrication circuit including a post-lubri...  
WO/2018/041403A1
The invention relates to a compressor (10), particularly a refrigerant compressor, comprising a compressor housing (14) and at least one piston (12) arranged in a cylinder in a reciprocal manner and driven by an electric motor (16), said...  
WO/2018/044218A1
A gas compressor, comprising a compressor chamber comprising a chamber inlet for gas and a chamber outlet for gas A gas heating device comprising a heater chamber having a heater inlet for gas and a heater outlet for gas. The gas heating...  
WO/2018/043797A1
The present invention relates to a compressor and a chiller system including the compressor, the compressor comprising: one or more impellers for suctioning a refrigerant in an axial direction and compressing the same in a centrifugal di...  
WO/2018/038918A1
A vapor compression system (20, 400, 420, 440, 460, 480) has: a compressor (22) having a suction port (40) and a discharge port (42); a heat rejection heat exchanger (58) coupled to the discharge port to receive compressed refrigerant; a...  

Matches 1 - 50 out of 3,287