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:
Jun. 09, 2020
Filed:
Dec. 16, 2015
Grundfos Holding A/s, Bjerringbro, DK;
Thomas Blad, Bjerringbro, DK;
Christian Blad, Aalborg, DK;
GRUNDFOS HOLDING A/S, Bjerringbro, DK;
Abstract
A hydraulic system includes a circulation pump assembly () provided with a speed controller (), a hydraulic circuit (A, B) connected to the circulation pump assembly () as well as a mechanical switch device (″) which is subjected to pressure from a fluid in the hydraulic circuit (A, B) and which can be moved into at least two different switch positions. The mechanical switch device () can be moved by the circulation pump assembly () by way of a hydraulic coupling via the fluid. The speed controller is configured to initiate a movement of the switch device (″) by way of at least one hydraulic force acting thereon and causing a movement of the switch device (″), produced via the hydraulic circuit, via a speed adaptation of the circulation pump assembly.