Patent ID: 6016784
Filing Date: 2000-01-25
Classification: F01M

Abstract:
An oil filter attaching structure for an engine without an oil coolers, comprising:a lower case attached to a cylinder block, said lower case defining therein a stand hole having a longitudinal axis and a main oil gallery in communication therewith, said stand hole opening generally downwardly through a bottom side of said lower case and having a female thread part formed therein; andan elongate tubular filter stand having a first threaded male end part for mounting within said stand hole and a second threaded male end part for mounting thereon an oil filter, said first and second end parts having different axial lengths, said female thread part extending from said bottom side to a termination point which is axially adjacent said main gallery but short of a location which would permit either of said male end parts, when threadingly engaged with said female thread part, to block said main gallery such that oil is allowed to flow from said oil filter and into said main gallery regardless of the axial orientation of the filter stand in said stand hole.