Abstract: A control system for a refrigeration system having a refrigeration compartment and a quick chill/thaw pan. A main controller board, electrically connected to a temperature adjustment board and a dispenser board through the serial communications bus, controls the temperature of the refrigeration compartment and the quick chill/thaw pan. The control system accepts a plurality of inputs to determine a refrigeration mode and to execute a plurality of software algorithms to control the refrigeration compartment as both a chill pan to rapidly chill food and beverage items without freezing and a thaw pan to timely thaw frozen items at controlled temperature levels.

Abstract: A refrigeration system includes a first refrigeration chamber, a second refrigeration chamber in flow communication with said the first refrigeration chamber, a sealed system for producing desired temperature conditions in the first refrigeration chamber and the second refrigeration chamber, and a controller operatively coupled to the sealed system. The controller is configured to accept a plurality of user-selected inputs including at least a first refrigeration chamber temperature and a second refrigeration chamber temperature, and to execute a plurality of algorithms to selectively control the first refrigeration chamber at a temperature above the second refrigeration chamber and at a temperature below the second chamber. Various control algorithms are provided for maintaining desired temperature conditions in the refrigeration chambers.

Abstract: A control system for a refrigeration system having a refrigeration compartment and a quick chill/thaw pan. A main controller board, electrically connected to a temperature adjustment board and a dispenser board through the serial communications bus, controls the temperature of the refrigeration compartment and the quick chill/thaw pan. The control system accepts a plurality of inputs to determine a refrigeration mode and to execute a plurality of software algorithms to control the refrigeration compartment as both a chill pan to rapidly chill food and beverage items without freezing and a thaw pan to timely thaw frozen items at controlled temperature levels.

Abstract: In one aspect, the present invention relates to a refrigeration control system that is modular and contains an algorithm to control the energy and temperature performance of side-by-side, top mount, and bottom mount type refrigerators. The control algorithm uses a two-dimensional control grid to determine the state of the refrigeration system based on the temperature of the freezer compartment and the fresh food compartment. The control algorithm then controls the rate of the fresh food fan, evaporator fan, and the damper and to bring the refrigerator-freezer to a desired state and maintain that state.

Abstract: A counter apparatus for counting the cycling of fluid flow in an automatic pneumatic pump. A magnet inside the pump repetitively moves along a fixed path in response to the pump cycling. A magnetic sensor for detecting magnetic flux is mounted on the pump. The sensor transmits an electrical signal to a counter in response to detecting the magnet at a certain location. When the magnet leaves this location the sensor stops transmitting the signal. Since the magnet is only at any location along the path only once during a complete pump cycle, the transmitted signal represents a pump cycle which is then counted by the counter.