A heat exchanger includes a first fluid manifold extending along a first fluid axis from a first fluid inlet to a first fluid outlet. The first fluid manifold includes first fluid inlet and outlet headers, and a helical core section. The inlet header is disposed to branch the first fluid inlet into a plurality of first fluid branches, and the outlet header is disposed to combine the plurality of first fluid branches into the first fluid outlet. The core section fluidly connects the inlet header to the outlet header via a plurality of helical tubes, such that each helical tube corresponds to one of the plurality of first fluid branches.

Proposed is a heatsink module for an inverter. The heatsink module includes a housing a bottom face, both spaced side walls, and both flanges. The heatsink module include a heat-dissipation plate including a base fixed to the both flanges; and a plurality of heat-dissipation fins extending downward from a bottom of the base. The heatsink module includes a supporter interposed between the bottom face of the housing and the heat-dissipation fins. The supporter has slots defined therein for accommodating at least portions of the heat-dissipation fins respectively.

Tube-bundle heat exchange unit (1) for internals of heat exchangers or reactors, comprising: at least one tube bundle (2); a plurality of baffles (3) associated with said tube bundle and defining through-openings according to a predefined arrangement, each opening being passed through by one of more tubes of the tube bundle, and a shell (6) which surrounds said tube bundle and said baffles, wherein the assembly of the tube bundle and the shell can be disassembled and the shell is structurally collaborating with the tube bundle through said baffles.

Embodiments of the present disclosure relate to a fixing device for a double-sided heat sink and an associated heat dissipating system. There is exemplarily provided a fixing device for mounting the double-sided heat sink on a carrier. The fixing device comprises: a first holder including a first cylindrically-shaped rod, wherein the first cylindrically-shaped rod can pass through a first cooling portion of the double-sided heat sink and a mounting hole of the carrier to fix the first cooling portion to a first side of the carrier, and the first cylindrically-shaped rod comprises a through-hole extending along a longitudinal direction; and a second holder including a second cylindrically-shaped rod, wherein the second cylindrically-shaped rod can pass through a mounting hole of a second cooling portion of the double-sided heat sink and the through-hole of the first holder, such that the second holder is coupled with the first holder to fix the second cooling portion to a second side of the carrier opposite to the first side.

Embodiments of the present disclosure relate to a fixing device for a double-sided heat sink and an associated heat dissipating system. There is exemplarily provided a fixing device for mounting the double-sided heat sink on a carrier. The fixing device comprises: a first holder including a first cylindrically-shaped rod, wherein the first cylindrically-shaped rod can pass through a first cooling portion of the double-sided heat sink and a mounting hole of the carrier to fix the first cooling portion to a first side of the carrier, and the first cylindrically-shaped rod comprises a through-hole extending along a longitudinal direction; and a second holder including a second cylindrically-shaped rod, wherein the second cylindrically-shaped rod can pass through a mounting hole of a second cooling portion of the double-sided heat sink and the through-hole of the first holder, such that the second holder is coupled with the first holder to fix the second cooling portion to a second side of the carrier opposite to the first side.

Shell-and-tube apparatus comprising a plurality of baffles (5) which are arranged along the tube bundle, perpendicular to an axis of the tube bundle and passed through by the said tubes, wherein each baffle is an essentially flat body having openings (11) through which the tubes pass, and in the region of said openings (11) the baffle comprises tabs (12) which protrude from the surface of said baffle.

Vibration absorption tubing and a manufacturing method thereof. The manufacturing method includes: a solder placement step including: placing solder at solder placement portions in an inner cavity of an adaptor; a pipe fitting step including: fitting a corrugated pipe and the adaptor respectively to adaptor matching portions at corresponding sides of the adaptor, to communicate an adaptor inner cavity with an inner cavity of the corrugated pipe and inner cavities of external connection tubing; and fixing or limiting positions of the corrugated pipe, the adaptor, and the external connection tubing to obtain a tubing assembly; and a component brazing step including: performing furnace brazing on the tubing assembly of the external connection tubing to obtain a main vibration absorption tubing. The vibration absorption tubing has favorable brazing consistency, enhancing connection reliability of components.

A tube stiffener for insertion into a plurality of radiator tubes includes a plurality of inserts and first and second connection strips. Each insert is configured to extend into at least one of the plurality of radiator tubes to strengthen the plurality of radiator tubes. The plurality of inserts include a first end and a second end and a tab projecting from each of the first end and the second end. The first connection strip is fixed to the tab on the first end and the second connection strip is fixed to the tab on the second end. Each of the connection strips connects the plurality of inserts to each other.

A condenser includes a housing formed in a hollow shape and having a steam inlet and a condensate outlet, inlet water chambers and outlet water chambers provided at respective ends of the housing. A large number of heat-transfer tubes connect the inlet water chambers and the outlet water chambers to each other inside the housing. Cooling water flows in the heat-transfer tubes, and intake pipes and drainpipes are respectively coupled to the inlet water chambers and outlet water chambers via expansion joints.

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.