Mark D Hess

US Patent:

8255087, Aug 28, 2012

Filed:

Jan 27, 2010

Appl. No.:

12/694473

Inventors:

Alan E. Bennett - Denton TX, US
Mark D. Hess - Plano TX, US
Stephen A. Walter - Flower Mound TX, US

Assignee:

Lennox Industries Inc. - Richardson TX

International Classification:

G05D 23/00

US Classification:

700278, 700276

Abstract:

An HVAC controller, a method of operating a constant air volume (CAV) HVAC unit and a CAV HVAC system are disclosed herein. In one embodiment, the HVAC controller includes: (1) an interface configured to receive both a latent cooling demand and a sensible cooling demand and (2) a processor configured to direct both a dehumidification function and a discharge air temperature control function for a CAV HVAC system employing the latent cooling demand and the sensible cooling demand.

US Patent:

8538587, Sep 17, 2013

Filed:

Jan 27, 2010

Appl. No.:

12/694511

Inventors:

Mark D. Hess - Plano TX, US
Roger C. Hundt - Carrollton TX, US
Stephen A. Walter - Flower Mound TX, US

Assignee:

Lennox Industries Inc. - Richardson TX

International Classification:

G05B 13/00
G05D 23/00

US Classification:

700276, 700278

Abstract:

An HVAC controller, a method of operating a HVAC unit and a HVAC system are disclosed herein. In one embodiment, the HVAC controller includes: (1) an interface configured to receive both a latent cooling demand and a sensible cooling demand and (2) a processor configured to direct both a dehumidification function and a cooling function when simultaneously processing both the latent cooling demand and the sensible cooling demand, the dehumidification function based on an operating capacity of an indoor air blower system.

US Patent:

20100298984, Nov 25, 2010

Filed:

Jan 27, 2010

Appl. No.:

12/694407

Inventors:

Richard A. Mauk - Lewisville TX, US
Robert W. Gilkison - Lewisville TX, US
Alan E. Bennett - Denton TX, US
John G. Thomas - McKinney TX, US
Mark D. Hess - Plano TX, US

Assignee:

Lennox Industries, Incorporated - Richardson TX

International Classification:

G05B 15/00
B21D 53/02
G06F 12/00
G06F 9/44
G06F 12/02
G06F 12/14

US Classification:

700276, 2989003, 711115, 717168, 711103, 713193, 711E12001, 711E12008

Abstract:

An HVAC system includes an enclosure for containing components of the HVAC system. Associated with the enclosure is an HVAC system control unit including a microcontroller for controlling an operation of the HVAC system. The HVAC system control unit further includes a memory associated with the microcontroller and configured to store data associated with operation of the HVAC system. The microcontroller is configurable to directly transfer the data between the memory and a portable flash memory device. The HVAC system control unit further includes a portable flash memory device interface for coupling the portable flash memory device directly thereto.

US Patent:

20100298985, Nov 25, 2010

Filed:

Jan 27, 2010

Appl. No.:

12/694423

Inventors:

Mark D. Hess - Plano TX, US
Richard A. Mauk - Lewisville TX, US
John G. Thomas - McKinney TX, US

Assignee:

Lennox Industries, Incorporated - Richardson TX

International Classification:

G05D 23/00
F25B 39/04

US Classification:

700276, 62507

Abstract:

Disclosed herein is a heating, ventilating, and air conditioning (HVAC) unit and controller with memory provisions for storing, receiving, and transmitting customer equipment profiles. The controller may include a plurality of profiles that allows a selection thereof for restoration. A method for configuring HVAC equipment, including a customer profile database and efficiently transmitting unique customer and factory profiles, is also disclosed.

US Patent:

20100298993, Nov 25, 2010

Filed:

Jan 27, 2010

Appl. No.:

12/694487

Inventors:

Erroll L. Eaton - Carrollton TX, US
Mark D. Hess - Plano TX, US
Richard A. Mauk - Lewisville TX, US
Stephen A. Walter - Flower Mound TX, US
David M. Wynnick - Lewisville TX, US

Assignee:

Lennox Industries, Incorporated - Richardson TX

International Classification:

G05D 7/00

US Classification:

700282

Abstract:

An airflow managing system for monitoring airflow of a HVAC system, a HVAC system and a method of monitoring the airflow in a HVAC system is provided. In one embodiment, the airflow managing system includes: (1) an air pressure sensor configured to obtain an air pressure measurement directly from a scroll of an air blower of the HVAC system and (2) a HVAC controller configured to determine an airflow rate for the HVAC system based on the air pressure measurement and corresponding parameters associated with the air blower.