Housing structure for gear pump used for fuel delivery to fuel system in e.g. motor car, has insert portion provided for forming inner housing portion which is integral with cup-shaped outer portion to form remaining of housing portion
摘要
<p>The housing structure comprises a cast material and a housing inner region of chambers. The housing inner region of chambers are arranged to receive gearwheels of a pump mechanism. A prefabricated insert portion is made up of metal and provided for forming the inner housing portion. The inner housing portion is integral with a cup-shaped outer portion to form the remaining of the housing portion. An independent claim is included for gear pump used for fuel delivery in vehicle.</p>
