Okwu Mmalite nke ihe eji egwu egwu nkume aka

Ingersoll-RandCo. webatara igwe okwute a na-eji aka ejide n'afọ 1912. Dịka ụdị ike si dị, e kewara ya ụzọ anọ: pneumatic, hydraulic, eletriki na internal combustion drive. Pneumatics bụ ihe a na-ejikarị eme ihe. Igwe okwute a na-eji aka ejide dabara adaba maka igwu ala ma ọ bụ oghere blastoles, nnukwu oghere blastoles nke abụọ a na-akụpịa, oghere bolts (oghere kwụ ọtọ), na oghere pulley a kapịrị ọnụ (oghere kwụ ọtọ dị omimi) na ọla siri ike ọkara na nke dị n'etiti. Dayameta igwe okwute a bụ 19~42mm, omimi oghere kachasị bụ 5m, nke na-erughị 2.5m. Ọkụ nkume a na-ejikarị aka eme ihe nwere ike mmetụta nke 15~45J, ugboro mmetụta nke 27~36Hz, ike ịgba mmiri nke 8~13N·m, nrụgide ọrụ nke 0.5~0.7MPa, oriri ikuku nke 1500~3900L/min, na ibu nke 7~30kg.