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DENSO Develops Highly Standardized Automotive Climate Control Unit

The world's first automotive climate control unit that can be used across vehicle models

Kariya, Japan, Jan 21, 2014 - (JCN Newswire) - Global automotive supplier DENSO has developed a new automotive climate control unit that can be used for a wide variety of vehicles ranging from compact to luxury cars. Conventional climate control units are often designed and tailored to each vehicle model, but this product has a new structure which enabled to standardize components while realizing required performance. This highly standardized automotive climate control unit, which is smaller and lighter while realizing higher performance, is the world's first of its kind.

"Many of the subcomponents for this product, such as air mix door, servo motor and blower fan were newly developed, which enabled to reduce the unit's size by 20 percent compared to DENSO's conventional model, and significantly standardized the unit," said Katsuhisa Shimokawa, executive director responsible for DENSO's Thermal Systems Business Unit.

The thickness of the air mix door is half that of DENSO's conventional ones, by using sophisticated forming technologies, thus reducing the depth and weight of the unit. Also,the conventional unit required several servo motors to operate the air mix door, whereas the new unit has standardized doors and needs only one, enabling the unit case to be made smaller. For the new blower fan, the wing blades of the fan are re-shaped to best suite the wind flow, which allowed the new fan to become 15 percent smaller and consume 20 percent less power, yet maintaining high air discharge capacity.

With these new technologies, the new smaller, lighter climate control unit with higher performance can also be used in eco-friendly cars. For instance, for stop/start system the evaporator in the unit can be replaced with a cold storage evaporator, and for hybrid and electric vehicles the heater core can be replaced with a heat pump air conditioning system. Also by changing the blower fan to two layer structure, to take in external air and circulate internal air simultaneously, the air conditioning system could be used for vehicles with limited heat sources.

DENSO's new climate control unit is used in the new HARRIER, which was released last December and in the NOAH and VOXY which was released this month. This new climate control unit will be offered for a wide variety of vehicle models all over the world. DENSO will continue to help create an advanced automotive society by developing technologies that can improve the comfort and environmental performance of vehicles.

About Denso

DENSO Corporation, headquartered in Kariya, Aichi prefecture, Japan, is a leading global automotive supplier of advanced technology, systems and components in the areas of thermal, powertrain control, electric, electronics and information and safety. Its customers include all the world's major carmakers. Worldwide, the company has more than 200 subsidiaries and affiliates in 35 countries and regions (including Japan) and employs over 120,000 people. Consolidated global sales for the fiscal year ending March 31, 2012, totaled US$38.4 billion. Last fiscal year, DENSO spent 9.5 percent of its global consolidated sales on research and development. DENSO common stock is traded on the Tokyo and Nagoya stock exchanges. For more information, go to, or visit our media website at

Source: Denso

Sadayoshi Yokoyama, Goro Kanemasu 
Phone: 81-566-25-5594 
Fax: 81-566-25-4509 
[email protected] 
[email protected] 

Copyright 2014 JCN Newswire. All rights reserved.

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