The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 06, 2022
Filed:
May. 17, 2019
Caterpillar Inc., Deerfield, IL (US);
Martin A. Lehman, Congerville, IL (US);
Lee A. Reiners, Emden, IL (US);
Caterpillar Inc., Peoria, IL (US);
Abstract
According to one aspect of the present disclosure, a filter assembly includes a filter housing including a housing inlet and a housing outlet, and a filtering section located downstream of the housing inlet and upstream of the housing outlet. The filtering section includes a first filtering portion, a second filtering portion, a wall longitudinally separating the first filtering portion and the second filtering portion, a filtering outlet, and a valve located in the filtering outlet. The valve includes a closed condition and an open condition, and wherein, in the valve closed condition the valve blocks flow from the second filtering portion to the housing outlet.