Otú ọ dị, ọ bụrụ na engine okpomọkụ ebili n'elu clutch's njikọ aka okpomọkụ ọnọdụ, onye ofufe na-aghọ nke zuru ezu na-arụ ọrụ, si otú na-ese a elu olu nke ambient ikuku site n'ime ụgbọ ala radiator, nke n'aka nke na-eje ozi na-ejigide ma ọ bụ wetuo engine coolant okpomọkụ n'ọkwa na-anabata.
The fan ipigide nwere ike chụpụrụ site a belt na pulley ma ọ bụ ozugbo site engine mgbe ndokwasa na engine si crankshaft.There nwere ụdị abụọ nke fan clutches: viscous fan clutch (Silicone mmanụ clutch) na electric fan clutch. Ọtụtụ fan clutches bụ silicone. mmanu mmanu jigidere ahia.
Silicone mmanụ fan ipigide, na silicone mmanụ dị ka a ọkara, tinye n'ọrụ elu viscosity e ji mara silicone mmanụ na-ebunye torque. A na-eji okpomọkụ nke ikuku dị n'azụ radiator na-achịkwa nkewa na ntinye aka nke fan clutch site na ihe mmetụta okpomọkụ. Mgbe okpomọkụ dị ala, mmanụ silicone adịghị eruba, a na-ekewapụ ihe mkpuchi fan, a na-ebelata ọsọ ọsọ nke onye ofufe, na-enweghị isi. Mgbe okpomọkụ dị elu, viscosity nke mmanụ silicone na-eme ka njide fan na-agbakọta iji kwọọ agụba ndị fan ka ha na-arụkọ ọrụ ọnụ iji dozie okpomọkụ nke engine.
G&W nwere ike inye ihe karịrị 300 SKU silicone fan clutches na ụfọdụ igwe ọkụ eletrik maka ụgbọ ala ndị njem Europe, Eshia na America na ụgbọ ala azụmahịa: AUDI, BMW, VW, FORD, DODGE, HONDA, LAND ROVER, TOYOTA wdg, ma na-enye 2 Akwụkwọ ikike afọ.