Donald S Hotaling

US Patent:

8291721, Oct 23, 2012

Filed:

Feb 24, 2009

Appl. No.:

12/391691

Inventors:

Richie C. Stauter - Fayetteville NY, US
Peter R. Bushnell - Cazenovia NY, US
Stephen Stopyra - Syracuse NY, US
Donald B. Hotaling - Jamesville NY, US
Jason A. Gough - Marcellus NY, US

Assignee:

Carrier Corporation - Farmington CT

International Classification:

B60H 1/32
F25D 17/06
F25B 39/04

US Classification:

62239, 62428, 62429, 62506, 62507

Abstract:

A transport refrigeration system having a structural framework supporting a refrigeration unit including a condenser heat exchanger supported in an upper region of the framework and an engine and an electric generator powered by the engine supported by the framework in an engine compartment in a lower region of the framework, includes a pair of vertically disposed condenser fan/motor assemblies disposed aft of the condenser heat exchanger in side-by-side relationship and above the engine compartment; and a flow partition extending vertically between the pair of condenser fan/motor assemblies.

US Patent:

20090211288, Aug 27, 2009

Filed:

Feb 24, 2009

Appl. No.:

12/391799

Inventors:

Robert S. Simeone - Bridgeport NY, US
Jason A. Gough - Marcellus NY, US
Eric J. Johnson - Palmyra NY, US
John T. Steele - Marcellus NY, US
Donald B. Hotaling - Jamesville NY, US

Assignee:

CARRIER CORPORATION - Farmington CT

International Classification:

F25D 23/10
B23P 15/26

US Classification:

622591, 29890035

Abstract:

A transport refrigeration system includes a single frame for containing both a refrigeration condenser coil and an engine coolant radiator arranged in serial airflow relationship within a framework. Either one or the other may be removed and replaced without replacing the other.

US Patent:

20110088411, Apr 21, 2011

Filed:

Jul 1, 2009

Appl. No.:

12/992698

Inventors:

John T. Steele - Marcellus NY, US
Scott D. Fulmer - Liverpool NY, US
Peter P. Guzman - Marcellus NY, US
Donald B. Hotaling - Jamesville NY, US
John R. Reason - Liverpool NY, US

Assignee:

CARRIER CORPORATION - Farmington CT

International Classification:

B60H 1/32
F25B 1/00
F25D 17/06

US Classification:

62 61, 62115, 62134, 62180

Abstract:

A transport refrigeration system has an engine driving an electric generator. A compressor is powered by the generator. At least one first electric fan is positioned to drive an airflow across a heat rejection heat exchanger. At least one second electric fan is positioned to drive an airflow across a heat absorption heat exchanger. A controller is coupled to the compressor and first and second fans. The controller is configured to: start the engine; engage the generator and at least one of the first fans before the engine has reached running speed; after the engine has reached running speed, start the compressor; and after starting the compressor, start at least one of the second fans.

US Patent:

20120042667, Feb 23, 2012

Filed:

Feb 12, 2010

Appl. No.:

13/202148

Inventors:

Scott D. Fulmer - Liverpool NY, US
Mark J. Perkovich - Fayetteville NY, US
Donald B. Hotaling - Jamesville NY, US

International Classification:

F25D 21/06

US Classification:

62 80, 62156

Abstract:

An apparatus and method are disclosed for terminating a refrigeration unit's defrost function. The refrigeration unit comprises an evaporator, a temperature sensor to measure the temperature of the evaporator during a defrost function, and a controller configured to calculate the rate of temperature change and terminate the defrost function when the rate meets a specified criteria, such as a predetermined rate or a sharp increase in the rate after the evaporator temperature has increased above the freezing point of water.

US Patent:

20130247598, Sep 26, 2013

Filed:

Nov 7, 2011

Appl. No.:

13/989089

Inventors:

Scott D. Fulmer - Liverpool NY, US
Donald B. Hotaling - Jamesville NY, US
Mark J. Perkovich - Fayetteville NY, US

Assignee:

Carrier Corporation - Farmington CT

International Classification:

F25D 29/00

US Classification:

62 80

Abstract:

A method for controlling the operation of a transport refrigeration system to limit current drawn by a compressor powered by AC electric current includes the steps of: (a) determining whether an ambient temperature in which the refrigeration unit is operating has been greater than a set point ambient temperature for a first time period; (b) determining whether the refrigeration unit has been operating in a temperature pulldown mode; (c) determining whether the AC electric current is equal to or exceeds a preset maximum current limit; (d) determining whether a time period between a last defrost cycle and a next previous defrost cycle is less than fifteen minutes; and (e) if the determination is YES in both of step (a) and step (b) and is also YES in at least one of step (c) and step (d), reducing the preset maximum current limit to a reset maximum current limit.

US Patent:

20160138836, May 19, 2016

Filed:

Jun 20, 2014

Appl. No.:

14/896819

Inventors:

- Farmington CT, US
Donald B Hotaling - Jamesville NY, US

International Classification:

F25B 5/02

Abstract:

A multi-compartment transport refrigeration system includes a heat rejecting heat exchanger downstream of a compressor discharge port; a first evaporator expansion device downstream of the heat rejecting heat exchanger; a first evaporator having an first evaporator inlet coupled to the first evaporator expansion device and a first evaporator outlet coupled to the compressor inlet path, the first evaporator for cooling a first compartment; a second evaporator expansion device downstream of the heat rejecting heat exchanger; a second evaporator having a second evaporator inlet coupled to the second evaporator expansion device and a second evaporator outlet coupled to the compressor inlet path, the second evaporator for cooling a second compartment; and a first evaporator outlet isolation valve positioned in an outlet of the first evaporator, the first evaporator outlet isolation valve to prevent migration of refrigerant from the second evaporator outlet to the first evaporator outlet.