An ƙera fasahar ƙin ciki (abbreviated to ICE) a cikin tsakiyar karni na 19. Tun daga nan, mai yawa ya canza. A halin yanzu, an yi amfani dasu a cikin dukkanin motoci. An inganta wannan inganci fiye da sau ɗaya, amma ka'idar injashin ciki na ciki kamar haka ya kasance daidai.
Akwai injuna hudu da injuna biyu. A karshen, duk hawan keke (raɗaɗɗa da man fetur, fitar da iskar gas da tsabta) yana faruwa a cikin haɗuwa guda biyu a kowace juyin juya halin aiki na kumbun. A cikin tsarin irin wannan tsarin, babu ƙarin ƙarin bawul. Tare da aikinsu, piston yana sarrafawa, kamar yadda a yayin motsi ya sake rufe abincin, shayewa da kuma tsabtace ramuka. Saboda haka, ka'idar aiki na wani biyu-bugun jini ciki konewa engine ne fairly sauki.
A ka'idar, ikon samfurin abu guda biyu ya fi girma kamar yadda samfurin samfurin hudu ya faru (saboda yawan ƙwanƙwasa ƙwaƙwalwar aiki). Duk da haka, a cikin aikin wannan ba haka ba ne. Ka'idar fasaha ta ciki ita ce, saboda rashin ciwo na piston, da rashin izini mai tsabta na gas da sauran wasu abubuwa a fitarwa, karuwa a cikin wutar lantarki bai wuce 60 zuwa 70 bisa dari ba.
Injin yana aiki a cikin haɗuwa guda biyu. A lokacin bugun jini na farko, piston yana motsawa daga ƙasa zuwa matsayi mafi girma. A yayin da yake motsa jiki, yana kariya da shafewa da tsabtace windows. A wannan lokaci, matsa lamba mai karfi na man fetur wanda aka karɓa ya auku. Bayan haka, mataki na biyu ya zo. Ka'idar motar ƙin ciki ta ciki ita ce mai ƙarancin man fetur ya kunna daga kyandir. A karkashin rinjayar ƙarfin haɓakar gas, piston yana motsa zuwa matsayi na "matattun". A wannan yanayin, aiki mai amfani ya yi. Kamar yadda fistan sauka isa ya bude sallama tashar jiragen ruwa, da shaye gas da aka aiko cikin yanayi. Halin da ake ciki a cikin Silinda yana raguwa sosai, kuma piston har yanzu yana fadowa. A matsakaicin wuri, tashar mai tsabta yana buɗewa kuma wani sabon ɓangaren matakan man fetur daga ɗakin da ake kira crank chamber, wanda yake ƙarƙashin matsin, ya shigo.
Ƙungiyar wutar lantarki guda biyu tana da matukar dacewa. Duk da haka, idan akai la'akari da ka'idodin injiniya na ciki, yana da amfani. Idan aka kwatanta da bugun jini hudu ba shi da ƙasa mai mahimmanci, sauƙin yin shi, bazai buƙaci tsarin lubrication mai tsafta da rarraba gas. Wannan yana da muhimmanci wajen rage farashin samfurin da kuma kudin da zai dace.
Irin wannan injiniyar yana da matukar mahimmancin rashin amfani, wanda bai sa ya zama mafi inganci ba. Irin waɗannan na'urori suna da ƙarfi kuma suna aiki da ƙarfi fiye da analogs hudu. Hanyoyi hudu sunyi aiki, ba tare da raguwa ba, tun da yake tsarin aikin fasahar ƙin wuta na ciki ya haifar da mafi yawan ƙungiyoyi na oscillatory. Amfani da man fetur dangane da doki daya shine 300 grams. Don kwatanta - nau'in bugun jini guda hudu yana buƙatar kawai man fetur 200 grams kawai.