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:
Jan. 14, 2025
Filed:
Oct. 11, 2021
Kawasaki Jukogyo Kabushiki Kaisha, Kobe, JP;
KAWASAKI JUKOGYO KABUSHIKI KAISHA, Kobe, JP;
Abstract
A directional and flow control valve includes: a housing with a pump port, a first supply/discharge port, a second supply/discharge port, and a tank port, the housing including therein a first pilot chamber, a second pilot chamber, and a third pilot chamber; and a first spool and a second spool, which are independent of each other. The first spool includes a first end surface facing the first pilot chamber and a second end surface facing the third pilot chamber. The second spool includes a first end surface facing the second pilot chamber and a second end surface facing the third pilot chamber. The first spool brings the first supply/discharge port into one of the pump port or the tank port, and the second spool brings the second supply/discharge port into the other one of the pump port or the tank port.