Patents Assigned to Altech Controls Corporation
  • Patent number: 6928825
    Abstract: A refrigeration process comprising, compressing low pressure vapor refrigerant to a higher temperature and pressure vapor, condensing the higher pressure vapor refrigerant into a liquid refrigerant at the higher pressure, thermally-isolating the higher pressure liquid, cooling the thermally-isolated liquid refrigerant while remaining thermally-isolated and then allowing thermal contact of the remaining low temperature and pressure liquid and a cooled substance causing the low temperature and pressure liquid to further reversibly boil to a vapor at the low pressure.
    Type: Grant
    Filed: March 15, 2004
    Date of Patent: August 16, 2005
    Assignee: Altech Controls Corporation
    Inventor: Richard H. Alsenz
  • Patent number: 6857287
    Abstract: A refrigeration process comprising: compressing low pressure vapor refrigerant to a higher temperature and pressure vapor, compressing low pressure vapor refrigerant to a higher temperature and pressure vapor, condensing the higher pressure vapor refrigerant into a liquid refrigerant at the higher pressure, thermally isolating the higher pressure liquid, cooling the thermally isolated liquid refrigerant while remaining thermally isolated and then allowing thermal contact of the remaining low temperature and pressure liquid and a cooled substance causing the low temperature and pressure liquid to further reversibly boil to a vapor at the low pressure.
    Type: Grant
    Filed: September 15, 2000
    Date of Patent: February 22, 2005
    Assignee: Altech Controls Corporation
    Inventor: Richard Herman Alsenz
  • Patent number: 6705094
    Abstract: A refrigeration process comprising, compressing low pressure vapor refrigerant to a higher temperature and pressure vapor, condensing the higher pressure vapor refrigerant into a liquid refrigerant at the higher pressure, thermally-isolating the higher pressure liquid, cooling the thermally-isolated liquid refrigerant while remaining thermally-isolated and then allowing thermal contact of the remaining low temperature and pressure liquid and a cooled substance causing the low temperature and pressure liquid to further reversibly boil to a vapor at the low pressure.
    Type: Grant
    Filed: December 1, 2000
    Date of Patent: March 16, 2004
    Assignee: Altech Controls Corporation
    Inventor: Richard H. Alsenz
  • Patent number: 6442967
    Abstract: A refrigeration piping process comprising the steps of installing a smaller liquid tube for supplying liquid to a remotely located evaporator, inside of a larger suction tube to be used for supplying the suction vapor from a remotely located evaporator, connecting the smaller liquid tube for supplying liquid to an evaporator to the liquid supply source at the liquid source, connecting the smaller liquid tube for supplying liquid to an evaporator to the liquid tube which supplies the evaporator and connecting the one end of the larger suction tube to a compressor and the other end of the larger suction tube to the outlet of the remotely located evaporator.
    Type: Grant
    Filed: October 10, 2001
    Date of Patent: September 3, 2002
    Assignee: Altech Controls Corporation
    Inventor: Richard H. Alsenz
  • Patent number: 6338254
    Abstract: An efficient method and system for dehumidifying an environment and refrigerating a second environment with a closed loop refrigeration system consisting of compressing refrigerant with a refrigeration compressor (10) to a high temperature and pressure, condensing the high pressure refrigerant to a liquid at a high temperature, circulating high pressure refrigerant through a heat exchanger (60) which is used to transfer energy from the liquid to an environment which is being air conditioned at a higher efficiency which contains the refrigerated environment (200). The liquid is then evaporated to a gas at a low pressure in a refrigeration evaporator coil (220).
    Type: Grant
    Filed: December 1, 2000
    Date of Patent: January 15, 2002
    Assignee: Altech Controls Corporation
    Inventor: Richard H. Alsenz
  • Patent number: 6134796
    Abstract: A simple easy-to-use aircraft navigational plotter is disclosed. The device is used in conjunction with the signals and readouts received from a pair of VOR (Very high frequency Omni-directional Range) stations. A pair of plotter arms is rotatably connected to a central hub (1) and each is removably attached to a center point (11), which is part of a disc (2), that is affixed to a navigation chart over the VOR stations to be used for navigation. The attachment means of the plotter arms (4) to the center point discs (2) provides for a fit where the plotter arms each may both slide and rotate about the respective center point to which each arm is attached.
    Type: Grant
    Filed: March 19, 1998
    Date of Patent: October 24, 2000
    Assignee: Altech Controls Corporation
    Inventor: Jeffrey W. Johnson
  • Patent number: 6105379
    Abstract: The present invention discloses an automatic self-adjusting thermally powered expansion valve for controlling the flow of refrigerant to an evaporator of a refrigeration system. The valve includes a differential fluid amplifier transducer which produces a constant flow of refrigerant independent of the liquid line pressure and includes a generally cylindrical interior with an inlet chamber having an inlet port and an outlet chamber having an outlet port and an orifice between the chambers providing a passage for the flow of refrigerant through the valve. The flow of refrigerant through the valve is regulated by a valve element, which moves longitudinally within the chambers with respect to the orifice. The longitudinal position of the valve element is controlled by force generators and sensors. The position of the valve element depends on the fluid pressure and the size of the pressure disks, and the spring constant of the compression spring.
    Type: Grant
    Filed: March 14, 1997
    Date of Patent: August 22, 2000
    Assignee: Altech Controls Corporation
    Inventors: Richard H. Alsenz, Roger C. Ansted, Barry Bryson, Jeffrey W. Johnson, Paul Malone, Collin A. Rose
  • Patent number: 5692387
    Abstract: A refrigeration system includes in a closed loop connection a compressor for compressing a refrigerant, a desuperheater for cooling the hot compressor discharge gas via the injection of liquid refrigerant, and a condenser for condensing the compressed, desuperheated refrigerant into a liquid refrigerant. The liquid refrigerant is injected into the compressed refrigerant by utilizing a liquid column for supplying pressure to the liquid refrigerant for injecting liquid refrigerant into the compressed refrigerant without using a mechanical pump. Another method of injecting the liquid refrigerant into the compressed refrigerant is to use a venturi pump at the injection point to supply the liquid refrigerant for injection into the compressed refrigerant. The desuperheater causes the temperature of the hot refrigerant vapor leaving the compressor to be reduced from a superheated condition to temperature closer to its condensing temperature prior to its entry to the condenser.
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: December 2, 1997
    Assignee: Altech Controls Corporation
    Inventors: Richard H. Alsenz, Timothy G. Burns, Bryan J. Rees