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.

Date of Patent:
Sep. 08, 2020

Filed:

Jul. 12, 2017
Applicant:

Lubing Maschinenfabrik Ludwig Bening Gmbh & Co. KG, Barnstorf, DE;

Inventors:

Markus Von Der Assen, Steinfeld, DE;

Wolfgang Meyer, Barnstorf, DE;

Michael Abeln, Halen, DE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G05D 16/20 (2006.01); A01K 7/02 (2006.01);
U.S. Cl.
CPC ...
G05D 16/2026 (2013.01); A01K 7/025 (2013.01); G05D 16/2053 (2013.01); G05D 16/2086 (2013.01); G05D 16/2093 (2013.01); Y10T 137/7798 (2015.04);
Abstract

Animal drinking troughs have pressure reducers for reducing the higher pressure of the liquid supply to a low liquid pressure for supplying the animal drinking troughs. For various reasons, it is desired to change the reduced pressure. This takes place by adjustment of the pressure reducers. It is known to undertake such an adjustment with compressed air. This requires a separate compressed air source and a corresponding pipe system. The invention makes provision to adjust the pressure reducer hydraulically by means of the higher pressure of the liquid of the liquid supply. The energy required for adjusting the pressure reducers thereby provides the liquid pressure of the liquid supply. As a result, the pressure reducers according to the invention operate autonomously. A separate energy source for adjusting the pressure reducers is not required.


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