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:
May. 21, 2024

Filed:

Jul. 09, 2021
Applicant:

Bitzer Kuehlmaschinenbau Gmbh, Sindelfingen, DE;

Inventors:

Jens Mannewitz, Schkeuditz, DE;

Tobias Fuhrer, Rottenburg a.N., DE;

Patrick Schneider, Herrenberg, DE;

Assignee:

BITZER Kuehlmaschinenbau GmbH, Sindelfingen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25B 49/02 (2006.01);
U.S. Cl.
CPC ...
F25B 49/022 (2013.01); F25B 49/025 (2013.01); F25B 2600/0253 (2013.01); F25B 2700/171 (2013.01); F25B 2700/21155 (2013.01); F25B 2700/21156 (2013.01);
Abstract

A refrigerant compressor for refrigeration plants having a compressor unit driven by a drive unit. At least one of the compressor and drive units has a control unit which is controllable by delivery rate control system to control the refrigerant compressor at different delivery rates. An external delivery rate setpoint value is communicated to the delivery rate control system to prevent critical operating states. The delivery rate control system is configured to acquire, via a sensor, a compressor unit reference temperature. The delivery rate control system is configured to ascertain an operating state value group to acquire an operating state of the refrigerant compressor, and specify a delivery rate for operation of the refrigerant compressor outside of the critical operating states, if the value of the ascertained operating state value group based upon the compressor reference temperature permits a critical operating state of the refrigerant compressor.


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