車両用空気調和装置

Air conditioner for vehicle

Abstract

PURPOSE: To prevent the excessive force from being rapidly applied to a belt and a pulley to transmit the power of a main engine for traveling to a compressor, and to prevent the breakage thereof by connecting an electromagnetic clutch only when the speed of the main engine for traveling is below the prescribed value. CONSTITUTION: An air conditioner for a vehicle is provided with a compressor to be driven through electromagnetic clutches 13, 14 by a main engine for traveling. The detected value of a thermo-sensor 20 is compared with the preset value of a temperature setting device 21 by a comparing means 22 of a controller 30, and the ON/OFF of the electromagnetic clutches 13, 14 is determined by a determining means 23 according to this value of comparison, and the ON/OFF is limited by a limiting means 27. An engine speed detecting sensor 24 to detect the speed of the main engine for traveling is added, and this detected value is compared with the preset value of a speed setting device 26, and the value of comparison is inputted in the limiting means 27. When the detected value of the speed is below the preset value, the electromagnetic clutches 13, 14 are connected. COPYRIGHT: (C)1996,JPO
(57)【要約】 【目的】 走行用メインエンジン7の高速回転時、電磁 クラッチ13、14を接とすることによってベルト9、10に 急激で大きな力が作用するのを防止する。 【構成】 走行用メインエンジン7の回転数検知センサ 24によって検知された回転数が所定回転数以下の場合に のみ電磁クラッチ13、14を接とする。

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