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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.:

US 10837467 B1

PDFFull Text
Date of Patent:
Nov. 17, 2020

Filed:

Jul. 26, 2018

Hydraulic apparatus, in particular hydraulic valve or hydraulic regulator

Applicant:

Liebherr Machines Bulle SA, Bulle, CH;

Inventors:

Lennard Geissler, Fürstenau, DE;

Patrick Wohlhauser, Giffers, CH;

Assignee:

LIEBHERR MACHINES BULLE SA, Bulle, CH;

Attorney:

McCoy Russell LLP

Primary Examiner:

Seth W Mackay-Smith

Int. Cl.
CPC ...
F15B 13/04 (2006.01); F15B 13/02 (2006.01); F04B 49/22 (2006.01); F04B 49/08 (2006.01); F16K 17/04 (2006.01); F16K 17/06 (2006.01); F16F 1/12 (2006.01); F04B 53/10 (2006.01); F04B 49/00 (2006.01); F15B 13/14 (2006.01);
U.S. Cl.
CPC ...
F15B 13/0402 (2013.01); F04B 49/00 (2013.01); F04B 49/08 (2013.01); F04B 49/22 (2013.01); F04B 53/10 (2013.01); F15B 13/024 (2013.01); F15B 13/0417 (2013.01); F16F 1/121 (2013.01); F16K 17/0473 (2013.01); F16K 17/06 (2013.01); F15B 13/14 (2013.01); F15B 2211/40515 (2013.01); F15B 2211/422 (2013.01); F15B 2211/522 (2013.01);
Abstract

The present invention relates to a hydraulic apparatus, in particular to a hydraulic valve or to a hydraulic regulator, having a housing, at least one piston axially displaceably supported in a housing bore, and a respective at least one compression spring acting on the at least one piston, wherein at least one externally accessible regulating screw is adjustable within the housing bore to set the preload of the compression spring in the axial direction, wherein the adjustment distance of the at least one regulating screw is divided into at least two adjustment ranges and the torque to be applied for the adjustment of the regulating screw is larger in a second adjustment range than in a first adjustment range.

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Geissler, Lennard. (2020). Hydraulic apparatus, in particular hydraulic valve or hydraulic regulator (U.S. Patent No. 10837467). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10837467

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