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:
Jul. 10, 2018
Filed:
Sep. 25, 2015
Hydro Leduc, Azerailles, FR;
Louis-Claude Porel, Jeanmenil, FR;
HYDRO LEDUC, Azerailles, FR;
Abstract
A hydraulic depth-control device for a submersible body comprises: a variable-volume ballast space, a pressure accumulator comprising a hydraulic chamber and a gas chamber, which chambers are separated by a deformable or mobile wall, the gas chamber containing a gas at an absolute pressure higher than atmospheric pressure, a hydraulic pump coupled to an electric motor, the hydraulic pump having a suction inlet connected to the ballast space and a delivery outlet connected to the hydraulic chamber of the pressure accumulator, a return hydraulic circuit connecting the hydraulic chamber of the pressure accumulator to the ballast space via an electrically operated valve, and a hydraulic fluid arranged in the ballast space, the hydraulic pump, the hydraulic chamber of the pressure accumulator and the return hydraulic circuit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile