# US 11,029,051 B2 · Single module optimizing controller capable of operating one of a plurality of different types of HVACR systems

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- Number: US 11,029,051 B2
- Document ID: US11029051B2
- Status: Granted
- Kind: B2
- Application number: 16/309,685
- Filed: 2017-06-15
- Published: 2019-10-31
- Granted: 2021-06-08
- Earliest claimed: 2016-06-15
- Assignees: Aeris Environmental Ltd
- Applicants: Aeris Environmental Ltd
- Inventors: Christopher James Rogerson
- Web page: https://patentgrep.com/patent/US11029051B2

## CPC

- C11D 3/386: Preparations containing enzymes {, e.g. protease or amylase}
- F24F 11/46: Improving electric energy efficiency or saving
- A61L 2/18: Liquid substances
- B08B 9/023: Cleaning the external surfaces {(B08B9/021 takes precedence)}
- C09D 5/14: Paints containing biocides, e.g. fungicides, insecticides or pesticides (C09D5/16 takes precedence)
- C09D 139/06: Homopolymers or copolymers of N-vinyl-pyrrolidones
- C11D 1/22: derived from aromatic compounds
- C11D 3/2068: {Ethers}
- C11D 3/38618: {Protease or amylase in liquid compositions only}
- C11D 3/48: Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
- F24F 11/56: Remote control
- F24F 11/58: using Internet communication
- F24F 11/77: by controlling the speed of ventilators
- F24F 11/83: by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F 11/89: Arrangement or mounting of control or safety devices
- F25D 17/005: {in cold rooms}
- F25D 31/005: {Combined cooling and heating devices}
- G05B 13/021: {in which a variable is automatically adjusted to optimise the performance}
- A61L 2202/17: Combination with washing or cleaning means
- B08B 3/08: the liquid having chemical or dissolving effect
- C08K 5/0058: {Biocides; (macromolecular substances as carriers for biocide material A01N25/10)}
- C08K 5/136: Phenols containing halogens
- C08K 5/19: Quaternary ammonium compounds
- C11D 2111/20: Industrial or commercial equipment, e.g. reactors, tubes or engines
- F24F 11/57: using telephone networks
- F24F 2110/10: Temperature
- F24F 2110/20: Humidity
- F24F 2110/40: Pressure, e.g. wind pressure
- F24F 2221/22: Cleaning ducts or apparatus
- F25B 2700/19: Pressures
- F25B 2700/21: Temperatures
- F28D 2021/0068: {for refrigerant cycles}
- F28F 2265/20: for preventing development of microorganisms
- F28G 9/00: Cleaning by flushing or washing, e.g. with chemical solvents (appliances using jets of fluid for removing debris F28G1/16, F28G3/16)
- Y02B 30/70: Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
- Y02P 20/10: Process efficiency
- C11D: DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- F24F: AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING (removing dirt or fumes from areas where they are produced B08B15/00; vertical ducts for carrying away waste gases from buildings E04F17/02; tops for chimneys or ventilating shafts, terminals for flues F23L17/02)
- A61L: METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES (preservation of bodies or disinfecting characterised by the agents employed A01N; preserving, e.g. sterilising, food or foodstuffs A23; preparations for medical, dental or toiletry purposes A61K)
- B08B: CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D)
- F25D: REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR (refrigerated showcases A47F3/04; thermally-insulated vessels for domestic use A47J41/00; refrigerated vehicles, see the appropriate subclasses of classes B60 - B64; containers with thermal insulation in general B65D81/38; heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants, or materials for the production of heat or cold by chemical reactions other than by combustion C09K5/00; thermally-insulated vessels for liquefied or solidified gases F17C; air-conditioning or air-humidification F24F; refrigeration machines, plants, or systems F25B; cooling of instruments or comparable apparatus without refrigeration G12B)
- G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables G05D; systems for regulating electric or magnetic variables G05F; control devices or systems insofar as characterised by mechanical features only G05G)
- C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09)
- F25B: REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F28D: HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT (fluid heaters having heat generating means and heat transferring means F24H; furnaces F27; details of heat-exchange apparatus of general)
- F28F: DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION (water and air traps, air venting F16)
- F28G: CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS (cleaning pipes or tubes in general B08B9/02; devices or arrangements for removing water, minerals, or sludge from boilers while the boiler is in operation, or which remain in position while the boiler is in operation, or are specifically adapted to boilers without any other utility F22B37/48; removal or treatment of combustion products or combustion residues F23J; removing ice from heat-exchange apparatus F28F17/00)
- Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

Described herein is a single unit optimizing controller (100) capable of operating any known type of heating, ventilation, air conditioning and refrigeration HVACR system (an HVACR system is denote by reference numeral (101)), which include all ACR systems. HVACR system (101) takes the form of an air conditioning unit. The controller includes a communications section (102) for communicating with one or more remote controller terminal in the form of a web application (103) and a control section (104). The air conditioning unit of HVACR system (101) includes at least one cooling unit having a compressor wherein the control section is operatively associated with HVACR system (101) for selectively activating or deactivating the at least one cooling unit based on one or more settings received from web application (103) via communications section (102).

## Claims

### Claim 1

A method for reducing the energy usage of a heating, ventilation, air conditioning and refrigeration (HVACR) system having an optimizing controller capable of operating the HVACR system and at least one evaporator coil, the optimizing controller including:
a communications section for communicating with at least one remote controller terminal; and
a control section operatively associated with the HVACR system for selectively activating or deactivating the at least one evaporator coil based on one or more settings received from the at least one remote controller terminal via the communications section;
wherein the method comprises providing a coil treatment to the at least one evaporator coil, such that the use of the controller in conjunction with the coil treatment reduces the energy usage of the HVACR system by over 15%;
wherein the coil treatment comprises:
i) a first enzymic cleaning step comprising contacting the coil with an enzymic cleaning solution to provide a cleaned coil; and
ii) a second step comprising coating the cleaned coil with a biostatic polymeric coating;
wherein the enzymic cleaning solution comprises one or more of a protease, amylase, cellulase or lipase.

### Claim 2 (depends on 1)

A method according to claim 1 wherein the enzymic cleaning solution comprises a protease and a biostatically effective phenoxyalcohol.

### Claim 3 (depends on 1)

A method according to claim 1 wherein the enzymic cleaning solution comprises a protease, a water soluble glycol ether solvent and at least one anionic hydrotrope such as an alkali metal alkylarylsulfonate.

### Claim 4

A method for reducing the energy usage of a heating, ventilation, air conditioning and refrigeration (HVACR) system having an optimizing controller capable of operating the HVACR system and at least one evaporator coil, the optimizing controller including:
a communications section for communicating with at least one remote controller terminal; and
a control section operatively associated with the HVACR system for selectively activating or deactivating the at least one evaporator coil based on one or more settings received from the at least one remote controller terminal via the communications section;
wherein the method comprises providing a coil treatment to the at least one evaporator coil, such that the use of the controller in conjunction with the coil treatment reduces the energy usage of the HVACR system by over 15%;
wherein the coil treatment comprises:
i) a first enzymic cleaning step comprising contacting the coil with an enzymic cleaning solution to provide a cleaned coil; and
ii) a second step comprising coating the cleaned coil with a biostatic polymeric coating;
wherein the enzymic cleaning solution comprises one or more enzymes, a biocidal quaternary ammonium biocide, and an anionic hydrotrope.

### Claim 5 (depends on 4)

A method according to claim 4 wherein the use of the controller in conjunction with the coil treatment reduces the energy usage of the HVACR system by over 18%.

### Claim 6 (depends on 4)

A method according to claim 4 wherein the use of the controller in conjunction with the coil treatment reduces the energy usage of the HVACR system by over 20%.

### Claim 7 (depends on 4)

A method according to claim 4 wherein the one or more enzymes comprises at least one of a protease or an amylase.

### Claim 8

A method for reducing the energy usage of a heating, ventilation, air conditioning and refrigeration (HVACR) system having an optimizing controller capable of operating the HVACR system and at least one evaporator coil, the optimizing controller including:
a communications section for communicating with at least one remote controller terminal; and
a control section operatively associated with the HVACR system for selectively activating or deactivating the at least one evaporator coil based on one or more settings received from the at least one remote controller terminal via the communications section;
wherein the method comprises providing a coil treatment to the at least one evaporator coil, such that the use of the controller in conjunction with the coil treatment reduces the energy usage of the HVACR system by over 15%;
wherein the coil treatment comprises:
i) a first enzymic cleaning step comprising contacting the coil with an enzymic cleaning solution to provide a cleaned coil; and
ii) a second step comprising coating the cleaned coil with a biostatic polymeric coating;
wherein the biostatic film comprises at least one of: phenolic biocide and polyvinylpyrrolidone or polyvinylpyrrolidone polymers or copolymers, such as acrylic copolymer based compositions, methacrylic copolymer based compositions, vinyl copolymer based compositions, epoxy resins, epoxy esters, and mixtures thereof;
a polyvinylpyrrolidone/polyvinylacetate copolymer complexed with triclosan; or
a quaternary ammonium biocide and a compatible polymer, such as polyvinyl alcohol, or a half ester of maleic anhydride/alkylvinylether copolymer complexed with a quaternary ammonium biocide.

### Claim 9 (depends on 8)

A method according to claim 8 wherein the use of the controller in conjunction with the coil treatment reduces the energy usage of the HVACR system by over 18%.

### Claim 10 (depends on 8)

A method according to claim 8 wherein the use of the controller in conjunction with the coil treatment reduces the energy usage of the HVACR system by over 20%.