Mitsubishi Heavy Industries Limited

Mitsubishi Heavy Industries Automotive Thermal Systems Co., Ltd.

Mitsubishi Industries, Ltd.

Naoto Kunieda

Koji Nakano

Takashi Nakagami

Nobuya Nakagawa

Satoshi Kominami

Shiro Matsubara

Tomoyasu Adachi

Makoto Hattori

Kazuki Niwa

Takeshi Hirano

Shunsuke Yakushiji

Hidetaka Sato

Takayuki Watanabe

Koji Toyama

Kazunori Teshima

In a heating-medium heating unit equipped with a first heating-medium circulation box and a second heating-medium circulation box which are in close contact with both surfaces of a PTC heater, in which heating-medium circulation passages are formed in the interior, and which are joined to each other in a liquidtight manner, wherein joining surfaces are sealed with liquid gaskets, the heating-medium circulation passages are provided with joining-surface cooling channels that cool the joining surface which is sealed with a liquid gasket and on which the heat from the PTC heater acts. The joining-surface cooling channels are provided at positions closer to the joining surface than to the PTC heater.

Heating-medium heating unit and vehicle air conditioner using the same

The heat medium heating device includes: a casing in which the flat heat exchange tubesand the PTC heaterare stacked in multiple layers and incorporated; and a control substrate of the PTC heaterincorporated in the casing. In the heat medium heating device in which a terminalA extending from each electrode plateof the PTC heateris directly connected to a connection portion of the control substrate, the width dimension of the flat heat exchange tubesis greater than a contact surface width in a direction in which the terminalA extends from each electrode platein the PTC elementof the PTC heater, and the electrode platesand the flat heat exchange tubesexcluding the PTC elementare superimposed in the wide portion.

Heat medium heating device and vehicle air conditioner including the same

In an inverter in which noise reducing coils and a smoothing capacitor are provided on a power line to an inverter module to achieve a no-busbar configuration, simplification of the manufacturing process, reduction of the influence on the size of the inverter, enhanced noise reducing function, reduction in cost and so on, the smoothing capacitor is electrically connected, on the inverter module, to the power line in parallel with a power system board, and the noise reducing coils are connected to the power line by directly connecting output lead wires thereof to P-N terminals of the inverter module.

Inverter and integrated-inverter electric compressor

In a heat medium heating devicein which a heat exchange elementformed by stacking multiple flat heat exchange tubesand multiple pairs of PTC heatersin multiple layers is fastened and fixed into a casingincluding heat medium outlet and inlet pathsand, connection portionsandbetween a power supply HV harness and a control LV harnessare provided on an outer surface on one surface side where the heat medium outlet and inlet pathsandof the casingare provided, and a control substratethat controls energization to the PTC heatersis disposed on an inside on the same side as a surface on which the connection portionsandof the casingis provided.

Provided is a heat-transfer-medium heating apparatus including: a first heat-transfer-medium circulating box and a second heat-transfer-medium circulating box, which are attached to each other in a fluid-tight manner, in which heat-transfer-medium circulating paths are formed therein in close contact with both surfaces of a PTC heater; an electrical-component cooling wall member that is provided in, for example, the first heat-transfer-medium circulating box so as to be located adjacent to the heat-transfer-medium circulating path; and an electrical component that is fixed on the electrical-component cooling wall member, wherein a protruding portion is formed on the surface at the heat-transfer-medium circulating path side of the electrical-component cooling wall member so as to be positioned at exactly behind an installation position of the electrical component and to extend towards the heat-transfer-medium circulating path.

Heat-transfer-medium heating apparatus and vehicle air conditioning apparatus using the same

The invention provides an integrated-inverter electric compressor and an inverter device thereof which allow handling of the inverter device by neither touching nor holding a CPU substrate. An integrated-inverter electric compressor includes an inverter module integrating a power-related metal substrate on which a power semiconductor switching device is mounted and a resin case integrally insert-molded with a plurality of terminals, and is provided with a CPU substrate on which a control and communication circuit having a device that operates at low-voltage is mounted on the upper surface of the inverter module, wherein the resin case is integrated with a grip which extends in a horizontal direction at an upper edge of a circumference thereof.

Growing community of inventors

Aichi, Japan

Naoto Kunieda