skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Water heater control module

Patent ·
OSTI ID:1109107

An advanced electric water heater control system that interfaces with a high temperature cut-off thermostat and an upper regulating thermostat. The system includes a control module that is electrically connected to the high-temperature cut-off thermostat and the upper regulating thermostat. The control module includes a switch to open or close the high-temperature cut-off thermostat and the upper regulating thermostat. The control module further includes circuitry configured to control said switch in response to a signal selected from the group of an autonomous signal, a communicated signal, and combinations thereof.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC06-76RL01830
Assignee:
Battelle Memorial Institute (Richland, WA)
Patent Number(s):
8,590,802
Application Number:
12/641,206
OSTI ID:
1109107
Country of Publication:
United States
Language:
English

References (8)

Memory controller, memory module and memory system having the same, and method of controlling the memory system patent-application July 2007
Hot water controller patent October 1999
Refrigeration Monitor Unit patent-application September 2007
Storage of Electrical Energy with Thermal Storage and Return Through a Thermodynamic Cycle patent-application April 2011
Methods and apparatus for electric power grid frequency stabilization patent-application June 2007
Design Considerations for Frequency Responsive Grid Friendly>sup/sup< Appliances conference January 2006
Thermal Energy Storage Apparatus, Controllers And Thermal Energy Storage Control Methods patent-application June 2011
Method and Apparatus for Electric Power Grid Frequency Stabilization patent-application December 2007

Similar Records

Water heater secondary control device
Patent · Tue Aug 18 00:00:00 EDT 1987 · OSTI ID:1109107
Control system for electric water heater with heat pump external heat source
Patent · Tue Sep 10 00:00:00 EDT 1985 · OSTI ID:1109107
Electronic water heater thermostat system
Patent · Tue Feb 10 00:00:00 EST 1987 · OSTI ID:1109107

Related Subjects

42 ENGINEERING