Carrier Corporation

Michael A Stark

Haiping Ding

Rajiv Ranjan

Kai Deng

Parmesh Verma

Yinshan Feng

Scott A Nieforth

Yuling Shi

HongYi Li

Shaojuan Si

Haralambos Cordatos

Haitao Zhang

Keli Dong

Xiangyuan Zhang

Wei Zhang

Vishnu Mohan Sishtla

Zissis A Dardas

Georgios S Zafiris

Scott M MacBain

Hsihua Li

Lihui Yang

Biao Shu

Jianxin Huang

Chaoqun Yan

Hongwei Cai

William Tony Slay

A deflector for a condenser. The condenser has an inlet in communication with a compressor, and a deflector for guiding a refrigerant gas flow from the compressor is arranged in the condenser and at a position close to the inlet. The deflector is provided with a deflecting structure projecting toward the inlet, and the deflecting structure is configured as impermeable to the refrigerant gas flow.

Guiding panel for condenser, condenser and refrigeration system

A refrigeration system and a lubricating method thereof. The refrigeration system () includes: a compressor (), a condenser (), an evaporator (), and a lubrication circuit (), the lubrication circuit including a post-lubrication flow path () connected from the compressor into the condenser and the evaporator respectively; and a pre-lubrication flow path () connected from the condenser and the evaporator into the compressor respectively; wherein after flowing from the condenser via the pre-lubrication flow path to the compressor for lubrication, a part of refrigerant for lubrication can flow back to the evaporator via the post-lubrication flow path; or after flowing from the evaporator via the pre-lubrication flow path to the compressor for lubrication, the part of refrigerant for lubrication can flow back to the condenser via the post-lubrication flow path.

Refrigeration system and the lubrication method thereof

A heat exchange system and a method for reclaiming corrosion inhibitor in a heat exchange system are provided by the present disclosure. The heat exchange system includes a compressor (), a condenser () and an evaporator () connected in sequence, and the heat exchange system further includes a system for reclaiming corrosion inhibitor which includes an ejector () including a high-pressure fluid inlet () connected to an outlet () of the compressor, a suction fluid inlet () connected to the heat exchange system to extract a liquid-state refrigerant in the heat exchange system, and a fluid outlet () leading to bearings of the compressor, wherein a pressurizing device () is provided between the outlet of the compressor and the high-pressure fluid inlet of the ejector. The heat exchange system according to the embodiments of the present disclosure can provide sufficient corrosion inhibitor to the bearings of the compressor under various working conditions.

Heat exchange system and method for reclaiming corrosion inhibitor in heat exchange system

A method of purging contaminants from a refrigerant of a heat pump via a purge system includes generating a driving force across a separator, providing refrigerant including contaminants to the separator, separating the contaminants from the refrigerant within the separator, monitoring one or more parameters of the purge system and the heat pump, and actively controlling an operational parameter of the purge system in response to monitoring one or more parameters of the purge system and the heat pump.

Enhanced refrigeration purge system

A refrigeration system, comprising a compressor, a condenser, a throttle flow path, and an evaporator connected in sequence, wherein a non-adjustable main throttle element is disposed in the throttle flow path; and further comprising a bypass flow path, wherein the bypass flow path is connected to the throttle flow path respectively at the upstream and downstream of the main throttle element, and provided with an adjustable auxiliary throttle element thereon; a liquid level sensor, disposed upstream and/or downstream of the throttle flow path, and configured to detect the liquid level; and a controller, wherein the controller is configured to control the opening of the auxiliary throttle element according to a liquid level signal from the liquid level sensor.

Refrigeration system and throttle control method therefor

A multi-stage refrigeration system () includes: a refrigeration loop (), which includes a gas suction port of a multi-stage compressor (), a condenser (), a first throttling element (), an evaporator () and an exhaust port of the multi-stage compressor which are sequentially connected through pipelines; an economizer branch (), which includes an economizer (), a second throttling element () and a first control valve (), the economizer having an economizer liquid inlet connected to the condenser via the first throttling element, an economizer liquid outlet connected to the evaporator via the second throttling element, and an economizer exhaust port connected to an intermediate stage of the multi-stage compressor via a control valve; and a bypass branch (), which is joined to the evaporator from the downstream of the second throttling element and connected to the condenser via the first throttling element, and on which a second control valve () is arranged.

Multiple stage refrigeration system and control method thereof

A separator for removing contamination from a fluid of a heat pump includes a housing having a hollow interior, a separation component mounted within the hollow interior, and at least one turbulence-generating element positioned within the hollow interior adjacent the separation component.

Membrane purge system

The present invention provides an economizer, including a housing having a first section and a second section; and a condenser outlet, an evaporator inlet, and a compressor intermediate-stage inlet that are disposed on the second section of the housing; wherein the first section has a contour matching a housing of a commonly used condenser, such that the first section can fit the housing of the condenser. The economizer of the present invention can better match an outer contour of a conventional condenser, so that the both can fit each other in arrangement as much as possible when applied to an overall layout of a refrigeration system, thereby significantly reducing a transverse space occupied by the refrigeration system.

Economizer and refrigeration system having the same

A refrigeration system, includes a compressor, a condenser (), a throttle flow path (), and an evaporator () connected in sequence. A non-adjustable main throttle element () is disposed in the throttle flow path. A bypass flow path () is connected to the throttle flow path respectively at the upstream and downstream of the main throttle element, and provided with an adjustable auxiliary throttle element () thereon. A liquid level sensor is disposed upstream or downstream of the throttle flow path, and configured to detect the liquid level. A controller is configured to control the opening of the auxiliary throttle element according to a liquid level signal from the liquid level sensor.

A flanged connecting assembly, which comprises: a first flange (); a second flange () with a diameter greater than the diameter of the first flange; and a third flange (), provided with a first portion () and a second portion () forming a step; wherein the first portion () is fitted to the first flange () through a first sealing element (), and the second portion () is fitted to the second flange () through a second sealing element (); and the first flange () and the second flange () are spaced from each other by a first distance. In this way, a gap formed under the fit of the three flanges can allow a used sealing element to be taken out vie the gap and/or a new sealing element to be assembled in via the gap.

Flange connection assembly and the assembly / disassembly method thereof, piping connection device and chiller unit

The present utility model relates to a deflector for a condenser. The condenser has an inlet in communication with a compressor, and a deflector for guiding a refrigerant gas flow from the compressor is arranged in the condenser and at a position close to the inlet. The deflector is provided with a deflecting structure projecting toward the inlet, and the deflecting structure is configured as impermeable to the refrigerant gas flow. The present utility model further provides a condenser having the deflector for a condenser and a refrigeration system equipped with the condenser. The deflector for a condenser according to the present utility model not only can alleviate the impact of high-temperature high-pressure gas from the compressor but also can reduce noise and vibration.

A refrigeration system, including: a compressor, a condenser, an economizer, a throttle valve, and an evaporator which are connected via a pipeline; and a pneumatic valve that includes a valve body and a drive gas phase refrigerant chamber, an gas phase refrigerant outlet of the economizer being connected to an interstage gas phase refrigerant inlet of the compressor via the valve body, and the drive gas phase refrigerant chamber being connected to a low pressure portion of the refrigeration system via a first gas phase refrigerant path, the lower pressure portion having a pressure lower than that in the economizer; wherein a first valve for controlling on/off of the first gas phase refrigerant path is disposed on the first gas phase refrigerant path. The refrigeration system can avoid liquid phase refrigerant accumulated in the economizer from entering the compressor during start to cause a liquid impact problem.

Refrigeration system and controlling method for starting the refrigeration system

A flange cover mounting and dismounting device, which comprises: a base part, comprising a fastener element with a fastener hole array, and being fastened on a flange cover mounting surface by the fastener hole array; and a jib arm assembly, having a first end being pivotally connected to the fastener element, and a second end being connected to the flange cover. The flange cover mounting and dismounting device can be fixed to the flange cover mounting surface having a corresponding fastener hole array, which is convenient for mounting and dismounting a flange cover. In addition, under most circumstances, the fastener hole array on the flange cover mounting surface is intrinsically owned by the devices, which originally can be applied to connect modules of each device or used for other applications.

Flange cover mounting and dismounting device and cooling device

Disclosed is a refrigeration system including a heat transfer fluid circulation loop configured to allow a refrigerant to circulate therethrough. A purge gas outlet is in operable communication with the heat transfer fluid circulation loop. The system also includes at least one gas permeable membrane having a first side in operable communication with the purge gas outlet and a second side. The membrane includes a porous inorganic material with pores of a size to allow passage of contaminants through the membrane and restrict passage of the refrigerant through the membrane. The system also includes a permeate outlet in operable communication with a second side of the membrane.

Growing community of inventors

Fayetteville, NY, United States of America

Michael A Stark