Patents Assigned to VENMAR CES INC.
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Publication number: 20150276256Abstract: A counter flow air-to-air energy exchange assembly may include a plurality of air channel levels configured to allow air to pass therethrough. Each of the air channels may include a spacer layer having a plurality of modular spacer components secured together. At least two of the modular spacer components are identical in size and shape. The spacer layer includes a plurality of air channels. Each of the plurality of air channels extends from an air inlet to an air outlet.Type: ApplicationFiled: March 31, 2014Publication date: October 1, 2015Applicant: VENMAR CES, INC.Inventors: BLAKE NORMAN ERB, STEPHEN HANSON, MOHAMMAD AFSHIN
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Patent number: 9109808Abstract: Embodiments of the present disclosure provide a system and method for providing conditioned air to at least one enclosed structure. The system may include at least one conditioning module configured to provide conditioned air to the at least one enclosed structure. The conditioning module(s) may include a conditioning energy exchanger. The conditioning module(s) is configured to circulate desiccant through a desiccant circuit to condition air passing through the conditioning energy exchanger. The conditioning module(s) may be configured to receive at least one of concentrated desiccant or diluted desiccant in order to vary temperature or concentration of the desiccant circulating through the desiccant circuit.Type: GrantFiled: March 13, 2013Date of Patent: August 18, 2015Assignee: Venmar CES, Inc.Inventors: Manfred Gerber, Philip Paul LePoudre, Maury Brad Wawryk
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Patent number: 8915092Abstract: A heat pump system for conditioning regeneration air from a space is provided. The heat pump system is operable in a winter mode and/or a summer mode. The system includes an energy recovery module that receives and conditions air in a regeneration air channel. A pre-processing module is positioned downstream of the energy recovery module. The pre-processing module receives and heats air from the energy recovery module. A regeneration air heat exchanger is positioned downstream of the pre-processing module. The regeneration air heat exchanger receives and conditions air from the pre-processing module. The pre-processing module heats the air from the energy recovery module to increase an efficiency of the regeneration air heat exchanger.Type: GrantFiled: January 19, 2011Date of Patent: December 23, 2014Assignee: Venmar CES, Inc.Inventors: Manfred Gerber, Can Wen Rong
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Publication number: 20140262125Abstract: An energy exchange assembly may include one or more membrane panels. The one or more membrane panels may include a microporous membrane that has a pore size between 0.02 and 0.3 micrometers (?m) and a porosity between 45% and 80%. Optionally, the energy exchange assembly may further include a plurality of spacers that define air channels. The air channels may be configured to receive air streams therethrough. Each of the one or more membrane panels may be disposed between two spacers. The one or more membrane panels may be configured to allow a transfer of sensible energy and latent energy across the one or more membrane panels between the air channels.Type: ApplicationFiled: February 27, 2014Publication date: September 18, 2014Applicant: VENMAR CES, INC.Inventors: Blake Norman ERB, Stephen HANSON, Mohammad AFSHIN
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Publication number: 20140260373Abstract: Embodiments of the present disclosure provide a system and method for providing conditioned air to at least one enclosed structure. The system may include at least one conditioning module configured to provide conditioned air to the at least one enclosed structure. The conditioning module(s) may include a conditioning energy exchanger. The conditioning module(s) is configured to circulate desiccant through a desiccant circuit to condition air passing through the conditioning energy exchanger. The conditioning module(s) may be configured to receive at least one of concentrated desiccant or diluted desiccant in order to vary temperature or concentration of the desiccant circulating through the desiccant circuit.Type: ApplicationFiled: March 13, 2013Publication date: September 18, 2014Applicant: Venmar CES, Inc.Inventors: Manfred Gerber, Philip Paul LePoudre, Maury Brad Wawryk
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Publication number: 20140273799Abstract: An air delivery system is configured to deliver air to an enclosed structure and may include at least one air channel configured to deliver air to or receive air from the enclosed structure, at least one component disposed within the at least one air channel, and at least one flame-blocking filter removably and adjustably secured within the at least one air channel. The at least one flame-blocking filter is configured to isolate the at least one component from a source of excessive temperature or flames. The at least one flame-blocking filter is configured to allow air to pass therethrough under normal operating conditions, and to block air and flames from passing therethrough when exposed to the excessive temperature or the flames.Type: ApplicationFiled: October 7, 2013Publication date: September 18, 2014Applicant: VENMAR CES, INC.Inventors: BLAKE NORMAN ERB, Stephen Harold Hanson, Mohammad Afshin
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Publication number: 20140260368Abstract: A heat pump system for conditioning regeneration air from a space is provided. The heat pump system is operable in a winter mode and/or a summer mode, and may be selectively operated in a defrost mode or cycle. During a defrost mode, hot refrigerant may be used to directly and sequentially defrost the regeneration air heat exchanger. A compressor may be configured to be overdriven during a defrost cycle.Type: ApplicationFiled: February 21, 2014Publication date: September 18, 2014Applicant: VENMAR CES, INCInventors: DAVID MARTIN WINTEMUTE, Mathieu Philippe Beliveau
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Publication number: 20140262144Abstract: A method of forming a membrane panel configured to be secured within an energy exchange assembly may include forming an outer frame defining a central opening, and integrating a membrane sheet with the outer frame. The membrane sheet spans across the central opening, and is configured to transfer one or both of sensible energy or latent energy therethrough. The integrating operation may include injection-molding the outer frame to edge portions of the membrane sheet. Alternatively, the integrating operation may include laser-bonding, ultrasonically bonding, heat-sealing, or the like, the membrane sheet to the outer frame.Type: ApplicationFiled: February 26, 2014Publication date: September 18, 2014Applicant: VENMAR CES, INCInventors: Blake Norman Erb, Stephen Hanson, Mohammad Afshin
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Publication number: 20140264968Abstract: A method of forming an energy exchange assembly may include forming a plurality of creases and a plurality of slits in a membrane sheet according to a predefined pattern, positioning a first spacer on top of a first forming area of the membrane sheet, folding the membrane sheet over a top of the first spacer so that a second forming area is positioned over the top of the first spacer, sealing a first portion of the first forming area to a first outer lateral wall of the first spacer, and positioning a second spacer on top of the second forming area, thereby stacking the second spacer over the first spacer.Type: ApplicationFiled: February 26, 2014Publication date: September 18, 2014Applicant: VENMAR CES, INCInventors: Blake Norman Erb, Stephen Hanson, Mohammad Afshin, Kenneth Paul Coutu
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Publication number: 20140260369Abstract: An evaporative cooling system includes an evaporative cooler liquid-to-air membrane energy exchanger (LAMEE), a first liquid-to-air heat exchanger (LAHE), and a cooling fluid circuit. The evaporative cooler LAMEE is disposed within a scavenger air plenum that is configured to channel a scavenger air stream. The first LAHE is disposed within a process air plenum that is configured to channel a process air stream. The cooling fluid circuit is configured to circulate an evaporative cooling fluid between the evaporative cooler LAMEE and the first LAHE. The evaporative cooler LAMEE is configured to utilize the scavenger air stream to evaporatively cool the cooling fluid. The first LAHE is configured to receive the cooling fluid from the evaporative cooler LAMEE and to allow the cooling fluid to absorb heat from the process air stream to cool the process air stream.Type: ApplicationFiled: February 24, 2014Publication date: September 18, 2014Applicant: VENMAR CES, INCInventor: Philip Paul LePoudre
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Publication number: 20140260367Abstract: An air delivery system may include a housing, a first liquid-to-air membrane energy exchanger (LAMEE), and a desiccant storage tank. The housing includes a supply air channel and an exhaust air channel. The first LAMEE may be an exhaust LAMEE disposed within an exhaust air channel of the housing. The exhaust LAMEE is configured to receive the outside air during a desiccant regeneration mode in order to regenerate desiccant within the exhaust LAMEE. The desiccant storage tank is in communication with the exhaust LAMEE. The exhaust LAMEE is configured to store regenerated desiccant within the desiccant storage tank. The regenerated desiccant within the desiccant storage tank is configured to be tapped during a normal operation mode.Type: ApplicationFiled: February 4, 2014Publication date: September 18, 2014Applicant: VENMAR CES, INC.Inventors: KENNETH PAUL COUTU, Cam FORMAN, Philip Paul LePOUDRE, Blake Norman ERB, Howard Brian HEMINGSON, Manfred GERBER
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Publication number: 20140235157Abstract: An energy exchange system is provided that may include a heater configured to be disposed within a supply air flow path. A first pre-heater is configured to be upstream from the heater within the supply air flow path and configured to pre-heat the supply air with a first liquid that circulates through the first pre-heater. A boiler may be operatively connected to the first pre-heater and configured to heat the first liquid. The system may also include a second pre-heater configured to be upstream from the heater within the supply air flow path. A heat transfer device may be operatively connected to the heater and the second pre-heater. The heat transfer device is configured to receive flue gas from the heater and transfer heat from the flue gas to a second liquid within the heat transfer device.Type: ApplicationFiled: February 15, 2013Publication date: August 21, 2014Applicant: Venmar CES, Inc.Inventor: Maury Brad Wawryk
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Publication number: 20140190037Abstract: An energy exchange system is configured to provide dry supply air to an enclosed structure. The system may include an energy transfer device having a first portion configured to be disposed within a supply air flow path and a second portion configured to be disposed within a regeneration air flow path. The energy transfer device is configured to decrease a humidity level of supply air. The energy transfer device is configured to be regenerated with regeneration air. The system may also include a first heat exchanger configured to be disposed within the supply air flow path downstream from the energy transfer device and within the regeneration air flow path upstream from the second portion of the energy transfer device. The first heat exchanger is configured to transfer sensible energy between the supply air and the regeneration air. The supply air is configured to be supplied to the enclosed structure after passing through the energy transfer device and the first heat exchanger.Type: ApplicationFiled: January 9, 2013Publication date: July 10, 2014Applicant: Venmar CES, Inc.Inventors: Blake Norman Erb, Mohammad Afshin
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Publication number: 20140083648Abstract: A Dedicated Outdoor Air System (DOAS) includes a heater configured to be disposed within a supply air flow path, at least one pre-heater configured to be upstream from the heat exchanger within one or both of the supply and exhaust air flow paths, and a heat transfer device operatively connected to the heater and the pre-heater. The heat transfer device is configured to receive flue gas from the heater and transfer heat from the flue gas to liquid within the heat transfer device. The liquid is configured to be channeled to the pre-heater so that heat is transferred from the liquid to supply air within the supply air flow path.Type: ApplicationFiled: September 25, 2012Publication date: March 27, 2014Applicant: Venmar CES, Inc.Inventor: Maury Brad Wawryk
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Publication number: 20140054004Abstract: A membrane support assembly is configured to be used with an energy exchanger, and is configured to be positioned within a fluid channel between first and second membranes. The assembly may include at least one support member configured to span between the first and second membranes, wherein the support member(s) is configured to support the fluid channel, and at least one turbulence promoter connected to the support member(s). The turbulence promoter(s) is configured to promote fluid turbulence within the fluid channel. The fluid turbulence within the fluid channel enhances energy transfer between the fluid channel and the first and second membranes.Type: ApplicationFiled: March 12, 2013Publication date: February 27, 2014Applicant: Venmar CES, Inc.Inventors: Phillip Paul LePoudre, Blake Norman Erb, Kenneth Coutu
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Publication number: 20140054013Abstract: A liquid panel assembly configured to be used with an energy exchanger may include a support frame having one or more fluid circuits and at least one membrane secured to the support frame. Each of the fluid circuits may include an inlet channel connected to an outlet channel through one or more flow passages. A liquid is configured to flow through the fluid circuits and contact interior surfaces of the membrane(s). The fluid circuits are configured to at least partially offset liquid hydrostatic pressure with friction loss of the liquid flowing within the fluid circuits to minimize, eliminate, or otherwise reduce pressure within the liquid panel assembly.Type: ApplicationFiled: March 12, 2013Publication date: February 27, 2014Applicant: Venmar CES, Inc.Inventors: Philip Paul LePoudre, Kenneth Coutu, Howard Brian Hemingson
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Publication number: 20130248147Abstract: An energy exchange system includes a supply flow path including a central sub-path connected to a bypass sub-path that is, in turn, connected to a delivery sub-path that connects to the enclosed structure. A sensible heat exchanger configured to condition the supply air is disposed within the central sub-path. The bypass sub-path connects to the central sub-path upstream from the sensible heat exchanger within the central sub-path. A first coil configured to further condition the supply air is disposed within the central sub-path downstream from the sensible heat exchanger. A bypass damper is disposed within the bypass sub-path. The bypass damper is configured to be selectively opened and closed. The bypass damper allows at least a portion of the supply air to pass through the bypass sub-path into the delivery sub-path and bypass the sensible heat exchanger and the first coil when the bypass damper is open.Type: ApplicationFiled: March 22, 2012Publication date: September 26, 2013Applicant: VENMAR CES, INC.Inventors: DAVID MARTIN WINTEMUTE, Remi FORTIN
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Publication number: 20130140777Abstract: A rotary wheel assembly is configured for use with a system for conditioning air to be supplied to an enclosed structure. The rotary wheel is configured to be positioned within a supply air stream and an exhaust air stream. The assembly includes a cassette frame, a wheel rotatably secured within the cassette frame, and a self-adjusting seal subassembly configured to maintain sealing engagement with respect to a surface of the wheel. The self-adjusting seal subassembly includes at least one seal member.Type: ApplicationFiled: October 12, 2012Publication date: June 6, 2013Applicant: Venmar CES, Inc.Inventor: Venmar CES, Inc.
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Publication number: 20130139890Abstract: A rotary wheel assembly is configured for use with a system for conditioning air to be supplied to an enclosed structure. The rotary wheel is configured to be positioned within a supply air stream and an exhaust air stream. The assembly includes a cassette frame, a wheel rotatably secured within the cassette frame, and a self-adjusting seal subassembly configured to maintain sealing engagement with respect to a surface of the wheel. The self-adjusting seal subassembly includes at least one seal member.Type: ApplicationFiled: December 5, 2011Publication date: June 6, 2013Applicant: VENMAR CES, INC.Inventors: Blake Norman Erb, Manfred Gerber, Maury Brad Wawryk, David Martin Wintemute, Paul Lorenzo Pieper
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Publication number: 20130056177Abstract: Certain Embodiments provide an energy exchange system that includes a supply air flow path, an exhaust air flow path, an energy recovery device disposed within the supply and exhaust air flow paths, and a supply conditioning unit disposed within the supply air flow path. The supply conditioning unit may be downstream from the energy recovery device. Certain embodiments provide a method of conditioning air including introducing outside air as supply air into a supply air flow path, pre-conditioning the supply air with an energy recovery device, and fully-conditioning the supply air with a supply conditioning unit that is downstream from the energy recovery device.Type: ApplicationFiled: April 18, 2012Publication date: March 7, 2013Applicant: VENMAR CES, INC.Inventors: KEN COUTU, HOWARD BRIAN HEMINGSON, MANFRED GERBER