Silicon mmanụ fan ipigide, na-eji silicon mmanụ dị ka ọkara, na-eji silicon mmanụ shiee viscosity mbufe torque.Oghere dị n'etiti mkpuchi ihu nke njigide fan na efere a na-ebugharị bụ ụlọ nchekwa mmanụ, ebe a na-echekwa mmanụ silicon nwere nnukwu viscosity.

Isi ihe na-achọpụta ihe bụ spiral bimetal plate temperature sensor na ihu mkpuchi, nke na-ahụta okpomọkụ na deform iji chịkwaa valvụ efere ka ijikwa silicone mmanụ n'ime ụlọ na-arụ ọrụ na-etinye aka mbanye aro na fan.

Mgbe ibu engine na-abawanye, okpomọkụ nke coolant na-ebili, ikuku ikuku dị elu na-efe efe na ihe mmetụta okpomọkụ nke bimetal, nke mere na mpempe akwụkwọ bimetal na-ekpo ọkụ ma na-emeziwanye, na-akwọ ụgbọala valvụ mbanye pin na valvụ nchịkwa na-atụgharị akụkụ.Mgbe ikuku ikuku na-ekpo ọkụ gafere ụfọdụ okpomọkụ, a na-emeghe oghere mmanụ mmanụ, na mmanụ silicone dị n'ime ụlọ nchekwa mmanụ na-abanye n'ime ụlọ ọrụ site na oghere a.Site na nrụgide siri ike nke mmanụ silicone, a na-ebufe torque na efere na-arụ ọrụ n'ime ụlọ clutch iji mee ka onye ofufe na-agbagharị na ọsọ ọsọ.