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:
Mar. 13, 2018
Filed:
Oct. 06, 2015
Applicant:
Caterpillar Inc., Peoria, IL (US);
Inventors:
Matthew J. Beschorner, Plainfield, IL (US);
Mikhail A. Sorokin, Naperville, IL (US);
Assignee:
Caterpillar Inc., Peoria, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 3/02 (2006.01); E02F 9/22 (2006.01); F16K 3/26 (2006.01); F16K 11/22 (2006.01); F16K 27/00 (2006.01);
U.S. Cl.
CPC ...
F16K 3/0254 (2013.01); E02F 9/2267 (2013.01); E02F 9/2285 (2013.01); E02F 9/2296 (2013.01); F16K 3/0218 (2013.01); F16K 3/0227 (2013.01); F16K 3/265 (2013.01); F16K 3/267 (2013.01); F16K 11/22 (2013.01); F16K 27/003 (2013.01);
Abstract
A spool assembly is disclosed for use in a valve. The spool assembly may have a cylindrical body with a first end, a second end, and a bore passing from the first end through the second end. The spool assembly may also have a first insert with a first land slidably disposed inside the bore at the first end, and a second insert separate from the first insert. The second insert may have a second land slidably disposed inside the bore at the second end.