A heat exchanger and an air conditioner comprising the heat exchanger are provided. The heat exchanger includes a gaseous refrigerant heat exchange pipe (6) and a liquid refrigerant heat exchange pipe (7) provided on the same side of the heat exchanger, the heat exchanger further includes a gaseous refrigerant heat exchange branch pipe (2) During installation of the heat exchanger and the air conditioner, a pipe exiting direction may be selected according to user demands without bending the pipes, a pipe routing space does not need to be reserved on the back of the whole machine, and installation is facilitated.

An air-conditioning apparatus includes a refrigerant circuit in which a compressor, a heat-source-side heat exchanger, an expansion device, and a refrigerant flow path in at least one intermediate heat exchanger are connected by a refrigerant pipe, and a heat medium circuit in which a pump, a use-side heat exchanger, and a heat-medium flow path in the at least one intermediate heat exchanger are connected by a heat-medium conveying pipe, the heat medium circuit being configured to cause a heat medium to circulate therethrough. The at least one intermediate heat exchanger comprises a plurality of intermediate heat exchangers. The plurality of intermediate heat exchangers are operative in a heating only operation mode, a cooling only operation mode, and a cooling and heating mixed operation mode in which some of the intermediate heat exchangers serve as the condenser and others of the intermediate heat exchangers serve as the evaporator.

A compressor suction pipe includes a bent portion at least including a first pipe segment on the most upstream side with respect to flow of a fluid to be compressed, a second pipe segment connected to a suction side of a compressor and extending in a direction different from the extension direction of the first pipe segment, and a third pipe segment disposed between the first pipe segment and the second pipe segment and extending in a direction different from the extension directions of the first and second pipe segments, and at least one partition extending at least from an intermediate portion of the first pipe segment at least to an intermediate portion of the second pipe segment in the bent portion and dividing an interior of the bent portion. The partition extends in a direction intersecting a virtual plane including an incircle that touches an axis of the first pipe segment on an upstream side of a downstream end of the first pipe segment and touches an axis of the second pipe segment.

A temperature sensitive rod is communicated with a diaphragm that is displaceable in response to a pressure difference between an internal pressure of a sealed space, in which a temperature sensitive medium is sealed, and a pressure of a low pressure refrigerant outputted from an evaporator. A blind hole, which opens to the sealed space, is formed in an inside of the temperature sensitive rod. The temperature sensitive medium is a mixture gas of the refrigerant and an inert gas. A mixing ratio of the inert gas in the temperature sensitive medium corresponds to a ratio of an equivalent diameter of the blind hole relative to a depth of the blind hole in such a manner that a time constant of heat conduction from the temperature sensitive rod to the temperature sensitive medium is kept within a desired time constant range.

In some embodiments, a refrigeration device includes: walls substantially forming a liquid-impermeable container configured to hold phase change material internal to the refrigeration device; at least one active refrigeration unit including a set of evaporator coils positioned at least partially within the liquid-impermeable container; a unidirectional thermal conductor with a condensing end and an evaporative end, the condensing end positioned within the liquid-impermeable container; a first aperture in the liquid-impermeable container, the first aperture of a size, shape and position to permit the set of evaporator coils to traverse the aperture; a second aperture in the liquid-impermeable container, the second aperture including an internal surface of a size, shape and position to mate with an external surface of the unidirectional thermal conductor; and one or more walls substantially forming a storage region in thermal contact with the evaporative end of the unidirectional thermal conductor.

Sealed container (102) houses electric unit (110) equipped with stator (114) and a rotor (116), and compression unit (112) disposed above electric unit (110). Compression unit (112) includes shaft (118) that includes main shaft portion (120) and eccentric shaft portion (122), and cylinder block (124). Compression unit (112) further includes connection portion (136) that connects piston (128) reciprocatively inserted into cylinder (130) and eccentric shaft portion (122), and a thrust bearing that supports a load of shaft (118) in a vertical direction. The thrust bearing includes an upper race in contact with a flange portion of shaft (118), a lower race in contact with a thrust surface of cylinder block (124), and a rolling element. An overall height of sealed container (102) is sized not to exceed a length six times larger than a diameter of piston (128).

An air conditioner includes an outdoor heat exchanger configured to exchange heat between a refrigerant and outdoor air; an indoor heat exchanger configured to exchange heat between the refrigerant and indoor air; a first pipe configured to provide a channel for the refrigerant flowing out of the outdoor heat exchanger and having a first inner diameter; a second pipe configured to provide a channel for the refrigerant flowing into the indoor heat exchanger; a coupling member configured to couple end portions of the first pipe and the second pipe; and a first insertion pipe inserted in the second pipe at the end portion of the second pipe and having a second inner diameter smaller than the first inner diameter of the first pipe.

Provided are a flash tank and an air conditioner having the same. The flash tank includes a flash tank liquid inlet (11) and a flash tank liquid outlet (12). The flash tank further includes: a plurality of flash chambers, wherein the flash chambers are arranged in sequence, every two adjacent flash chambers communicating; and a plurality of air replenishment openings (14), the air replenishment openings (14) and the flash chambers corresponding one to one and communicating with each other. The flash tank liquid inlet (11) communicates with the first flash chamber of the flash chambers, and the flash tank liquid outlet (12) communicates with the last flash chamber of the flash chambers. The flash tank may meet an air replenishment demand of a multi-stage compressor.

A compressor module (1) comprises: a floor member (3); a gas cooler (24) mounted on the floor member (3); a compressor skid (10) disposed on a side of the gas cooler (24) opposite to where the floor member (3) is located, the compressor skid (10) being connected to the gas cooler (24); and a leg portion (15) connected to the compressor skid (10) and fixed to the floor member (3) that supports the compressor skid (10), the leg portion (15) providing a gap to dispose the gas cooler (24) between the floor member (3) and the compressor skid (10).

A process of transferring heat from a first relatively cold medium to a second relatively hot medium features rotating a contained amount of a compressible fluid about an axis of rotation, thus generating a radial temperature gradient in the fluid, and heating the second medium by the fluid in a section of the fluid relatively far from the axis of rotation. An apparatus for carrying out the process includes a gastight drum rotatably mounted in a frame, and a first heat exchanger mounted inside the drum relatively far from the axis of rotation of the drum.