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. 07, 2019

Filed:

Apr. 13, 2017
Applicant:

Emerson Climate Technologies, Inc., Sidney, OH (US);

Inventors:

Joseph G. Marcinkiewicz, St. Peters, MO (US);

Kraig Bockhorst, Lake St. Louis, MO (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 27/06 (2006.01); G05F 1/70 (2006.01); H02P 27/08 (2006.01); H02M 1/42 (2007.01); H02M 1/44 (2007.01); F04B 17/03 (2006.01); F04B 13/00 (2006.01); F04B 49/06 (2006.01); F04B 49/10 (2006.01); F04C 29/00 (2006.01); F04C 28/28 (2006.01); F25B 31/02 (2006.01); F25B 49/02 (2006.01); F04B 35/04 (2006.01); F04B 49/20 (2006.01); H02P 23/26 (2016.01); F04C 18/02 (2006.01); H02M 1/34 (2007.01);
U.S. Cl.
CPC ...
H02P 27/08 (2013.01); F04B 13/00 (2013.01); F04B 17/03 (2013.01); F04B 35/04 (2013.01); F04B 49/06 (2013.01); F04B 49/10 (2013.01); F04B 49/20 (2013.01); F04C 28/28 (2013.01); F04C 29/0085 (2013.01); F25B 31/02 (2013.01); F25B 49/025 (2013.01); H02M 1/42 (2013.01); H02M 1/4225 (2013.01); H02M 1/44 (2013.01); H02P 23/26 (2016.02); H02P 27/06 (2013.01); F04C 18/0215 (2013.01); F04C 2240/40 (2013.01); F25B 2600/021 (2013.01); F25B 2700/21152 (2013.01); H02M 1/4208 (2013.01); H02M 2001/344 (2013.01); Y02B 30/741 (2013.01); Y02B 70/126 (2013.01);
Abstract

A drive includes: an inverter power circuit that applies power to an electric motor of a compressor from a direct current (DC) voltage bus; and a power factor correction (PFC) circuit that outputs power to the DC voltage bus based on input alternating current (AC) power. The PFC circuit includes: (i) a switch; (ii) a driver that connects a control terminal of the switch to a first reference potential when a control signal is in a first state and that connects the control terminal of the switch to a second reference potential when the control signal is in a second state; and (iii) an inductor that charges and discharges based on switching of the switch. The drive also includes a control module that generates the control signal based on a measured current through the inductor and a predetermined current through the inductor.


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