Patents by Inventor Colin HULL

Colin HULL has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • CO2 refrigeration system
    Patent number: 9933194
    Abstract: A CO2 refrigeration system (1) includes: a compressor (3), a gas cooler (5), a temperature sensor (17) and an electronic control system (13), the electronic control system including a processor device (15) arranged to control operation of the compressor (3) according to input signals received from the temperature sensor (17), wherein the temperature sensor (17) is positioned to read an output temperature of the gas cooler. A method for controlling a compressor (3) in a CO2 refrigeration system (1) is also disclosed.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: April 3, 2018
    Assignee: ELSTAT LIMITED
    Inventors: Neil Pendlebury, Colin Hull
  • Heat Exchanger Fault Diagnostic
    Publication number: 20160238332
    Abstract: A fault diagnostic method for a heat exchanger in which ambient air temperature and heat exchanger temperature are measured. Also disclosed is the use of a single temperature sensor, in combination with a microprocessor, to measure temperature emitted from a heat exchanger and ambient air temperature surrounding the heat exchanger.
    Type: Application
    Filed: April 25, 2016
    Publication date: August 18, 2016
    Inventors: Philip LAMBERT, Colin HULL
  • CO2 REFRIGERATION SYSTEM
    Publication number: 20150316305
    Abstract: A CO2 refrigeration system (1) includes: a compressor (3), a gas cooler (5), a temperature sensor (17) and an electronic control system (13), the electronic control system including a processor device (15) arranged to control operation of the compressor (3) according to input signals received from the temperature sensor (17), wherein the temperature sensor (17) is positioned to read an output temperature of the gas cooler. A method for controlling a compressor (3) in a CO2 refrigeration system (1) is also disclosed.
    Type: Application
    Filed: December 5, 2013
    Publication date: November 5, 2015
    Inventors: Neil PENDLEBURY, Colin HULL