# US 10,118,116 B2 · Moisture separator and air cycle system with the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,118,116 B2 - Document ID: US10118116B2 - Status: Granted - Kind: B2 - Application number: 14/988,859 - Filed: 2016-01-06 - Published: 2016-07-07 - Granted: 2018-11-06 - Earliest claimed: 2015-01-07 - Applicants: Hyun-Wook Jeong - Inventors: Hyun-Wook Jeong - Web page: https://patentgrep.com/patent/US10118116B2 ## CPC - B01D 46/62: connected in series - B01D 46/003: {including coalescing means for the separation of liquid} - F02C 3/00: Gas-turbine plants characterised by the use of combustion products as the working fluid (generated by intermittent combustion F02C5/00) - F02C 6/00: Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use - F24F 3/14: by humidification; by dehumidification - F24F 12/001: {with heat-exchange between supplied and exhausted air} - F25B 9/004: {the refrigerant being air} - F05D 2260/608: Aeration, ventilation, dehumidification or moisture removal of closed spaces - F24F 2003/144: {by dehumidification only} - B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28) - F02C: GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS (construction of turbines F01D; jet-propulsion plants F02K; construction of compressors or fans F04; generating combustion products of high pressure or high velocity F23R; using gas turbines in compression refrigeration plants F25B11/00) - 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) - F25B: REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS - F05D: INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS ## Abstract The present invention provides a moisture separator separating condensed water mist in compressed air, and an air cycle system provided with the same. The moisture separator includes a coalescer filter and a wire mesh pad demister. The coalescer filter is provided with a filter media formed of a fiber layer through which compressed air is passed, primarily condensing moisture mist in the compressed air, and filtering foreign particles and a housing supporting the filter media. The wire mesh pad demister is provided at a downstream of the coalescer filter to receive the compressed air passed through the coalescer filter and secondarily condenses moisture mist in the compressed air to separate moisture using gravity. ## Claims ### Claim 1 A moisture separator separating condensed water mist in compressed air, comprising: a coalescer filter provided with a filter media formed of a fiber layer through which compressed air is passed, primarily condensing moisture mist in the compressed air, and filtering foreign particles and a housing supporting the filter media; and a wire mesh pad demister provided at a downstream of the coalescer filter to receive the compressed air passed through the coalescer filter and secondarily condensing moisture mist in the compressed air to separate moisture using gravity, wherein a drain hole is provided in the ground surface of the coalescer filter in a gravitational direction, through which water drops collected in the filter media are discharged to the outside, and the housing supports the interior surface and the exterior surface of the filter media and is formed of porous plate. ### Claim 2 (depends on 1) The moisture separator of claim 1, wherein the media filter is formed of one or more layers of fiber of which the surface has water repellency. ### Claim 3 (depends on 2) The moisture separator of claim 2, wherein the filter media has a pore diameter of 10 μm or less. ### Claim 4 (depends on 1) The moisture separator of claim 1, wherein the wire mesh pad demister is provided above the coalescer filter. ### Claim 5 (depends on 1) The moisture separator of claim 1, wherein the wire mesh pad demister is formed of a metal wire, and has a space ratio of 90% or more and the surface area of 700m2/m3 or more. ### Claim 6 An air cycle system comprising; an outside air heat exchanger decreasing a temperature of compressed air by heat-exchanging externally supplied high-temperature compressed air with outside air; a turbine rotating by receiving compressed air discharged from the outside air heat exchanger, and rapidly decreasing a temperature and a pressure of the compressed air by passing the compressed air through a turbine blade and expanding the compressed air passed through the turbine blade; and a moisture separator receiving compressed air discharged from the turbine and generating dry cool air by eliminating moisture mist in the compressed air, wherein the moisture separator includes: a coalescer filter provided with a filter media formed of a fiber layer through which the compressed air discharged from the turbine is passed, primarily condensing moisture mist in the compressed air, and filtering foreign particles and a housing supporting the filter media, a wire mesh pad demister provided at a downstream of the coalescer filter to receive the compressed air passed through the coalescer filter and secondarily condensing moisture mist in the compressed air to separate moisture using gravity, and a fan is coaxially combined to the turbine to intake outside air, the turbine and the fan are combined to a turbine assembly housing, and the condensed water separated by the moisture separator is supplied to a cooling circuit of the turbine assembly housing to cool the turbine assembly housing and then sprayed to the outside air inlet of the outside air heat exchanger to exchange sensible heat and latent heat with the compressed air. ### Claim 7 (depends on 6) The air cycle system of claim 6, wherein an inertial high-pressure air condensed water separator is provided between the outside air heat exchanger and the turbine to separate condensed water in the compressed air and the condensed water separated by the high-pressure air condensed water separator is sprayed to an outside air inlet of the outside air heat exchanger to exchange sensible heat and latent heat with the compressed air. ### Claim 8 (depends on 6) The air cycle system of claim 6, wherein a fan discharge air heat exchanger through which dry cool air is passed is provided at a downstream of the moisture separator, and high-temperature outside air discharged from the fan is discharged to the outside through a discharge temperature control valve, which is a three-way valve, or injected to the fan discharge air heat exchanger for heat-exchange with the dry cool air. ### Claim 9 (depends on 8) The air cycle system of claim 8, wherein the dry cool air passed through the fan discharge air heat exchanger is supplied to a final use place after passing through a flow control valve and a flowmeter, and when the dry cool air needs to be heated to a high temperature that exceeds the capacity of the fan discharge air heat exchanger, high-temperature compressed air supplied from the outside is joined to a line between the fan discharge air heat exchanger and the flow control valve using a heat control valve to additionally increase the temperature of the dry cool air. ### Claim 10 An air cycle system comprising; an outside air heat exchanger decreasing a temperature of compressed air by heat-exchanging externally supplied high-temperature compressed air with outside air; a turbine rotating by receiving compressed air discharged from the outside air heat exchanger, and rapidly decreasing a temperature and a pressure of the compressed air by passing the compressed air through a turbine blade and expanding the compressed air passed through the turbine blade; and a moisture separator receiving compressed air discharged from the turbine and generating dry cool air by eliminating moisture mist in the compressed air, wherein the moisture separator includes: a coalescer filter provided with a filter media formed of a fiber layer through which the compressed air discharged from the turbine is passed, primarily condensing moisture mist in the compressed air, and filtering foreign particles and a housing supporting the filter media, a wire mesh pad demister provided at a downstream of the coalesce filter to receive the compressed air passed through the coalesce filter and secondarily condensing moisture mist in the compressed air to separate moisture using gravity, and a de-icing control valve provided between the turbine and an external compressed air supply source, the de-icing control valve bypassing a part of the compressed air before the compressed air flows into the outside air heat exchanger to directly supply the compressed air to the turbine such that a temperature of the compressed air after passed through the turbine can be controlled not to fall below zero. ### Claim 11 (depends on 10) The air cycle system of claim 10, wherein a de-icing sensor is provided between the turbine and the moisture separator to sense a temperature of the compressed air discharged from the turbine, and when a temperature sensed by the de-icing temperature sensor is above zero, the de-icing control valve is closed, and when the sensed temperature is below zero, the de-icing control valve is opened and thus a high-temperature compressed air is directly supplied to the turbine such that a temperature of air discharged from the turbine can be maintained close to 0° C. ### Claim 12 (depends on 9) The air cycle system of claim 9, wherein a turbine nozzle is provided in an air inlet of the turbine, a bypass control valve that interacts with the flow control valve is provided between the turbine and the moisture separator, and the amount of flow of final-discharged dry cool air is controlled using the flow control valve and the bypass control valve. ### Claim 13 (depends on 12) The air cycle system of claim 12, wherein the turbine nozzle is a variable turbine nozzle of which an angle of a vane can be adjusted, and the turbine nozzle operates together with the flow control valve and the bypass control valve to control the flow amount of final-discharged dry cool air. ### Claim 14 (depends on 6) The air cycle system of claim 6, wherein a small generator is coaxially combined to the turbine to generate electricity, and electricity generated from the small generator is converted to a direct current by being transmitted to a power conversion and control device, and the direct current is used as power for the control device. ### Claim 15 (depends on 14) The air cycle system of claim 14, wherein the control device comprises a plurality of regulators for controlling valves. ### Claim 16 (depends on 10) The air cycle system of claim 10, wherein a small generator is coaxially combined to the turbine to generate electricity, and electricity generated from the small generator is converted to a direct current by being transmitted to a power conversion and control device, and the direct current is used as power for the control device. ### Claim 17 (depends on 16) The air cycle system of claim 16, wherein the control device comprises a plurality of regulators for controlling valves.