Patent ID: 11946439
Assignee: CATERPILLAR INC.
Field: Chemical engineering (Chemistry)
Classification: CPC F  B | IPC B  F

Claim 9:
10. A filter module for an engine comprising:
a module housing including a primary filter receptacle, and a secondary filter receptacle, and having formed therein a supply inlet, a filtered outlet, and a drain port;
the module housing further having formed therein a primary-side passage fluidly connected to the primary filter receptacle, a secondary-side passage fluidly connected to the secondary filter receptacle, and a cross passage; and
a service valve assembly at least partially within the cross passage and adjustable from a closed configuration blocking the primary-side passage from the secondary-side passage, to an open configuration; the service valve assembly including a valve pin defining a longitudinal axis and movable axially in the cross passage from a first position in the closed configuration to a second position in the open configuration.