Patents Assigned to BHA Altair, LLC
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Publication number: 20170080367Abstract: A filter assembly is provided. The filter assembly includes a filter cartridge with a containment bag including a vent port and a support housing, including a split lid.Type: ApplicationFiled: December 6, 2016Publication date: March 23, 2017Applicant: BHA Altair, LLCInventors: Richard Johnson, Benjamin Harrison
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Patent number: 9504860Abstract: A protective cover includes a textile layer and an air permeable, moisture-vapor-transmissive, expanded polytetrafluoroethylene membrane layer attached to said textile layer, the cover having an MVTR rating of at least 4000 g/m2/day.Type: GrantFiled: July 7, 2006Date of Patent: November 29, 2016Assignee: BHA Altair, LLCInventors: Clare R. King, Vishal Bansal, Leo J. Crotty, Jr.
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Patent number: 9492780Abstract: A sorption arrangement for a gas turbine includes a sorbent-laden media. The sorbent-laden media is positioned within an inlet system for the gas turbine. The sorbent-laden media includes one or more sorbents. The sorbent-laden media contacts inlet air passing through the inlet system for the gas turbine such that gas phase contaminants are removed from the inlet air by the sorbent-laden media. A method of removing gas phase contaminants within an inlet system of a gas turbine is provided.Type: GrantFiled: January 16, 2014Date of Patent: November 15, 2016Assignee: BHA Altair, LLCInventors: Robert Warren Taylor, Stephen David Hiner, Paul Sherwood Bryant, Vishal Bansal
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Publication number: 20160265436Abstract: Solutions for efficiently filtering air for a machine are disclosed. In one embodiment, a filter element for a filter assembly of a rotary machine is provided. The filter element includes: a first set of pleats, each pleat including a first tip radius and a first spacing; and a second set of pleats, each pleat including a second tip radius and a second spacing, wherein the first and second set of pleats are positioned upon a continuous filter media.Type: ApplicationFiled: May 18, 2016Publication date: September 15, 2016Applicant: BHA Altair, LLCInventors: Paul Sherwood Bryant, Hongyi Zhou
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Patent number: 9435260Abstract: A system for testing at least one air filter element is provided. The system includes a test rig, wherein the test rig includes an elongated duct, and at least one measurement device coupled to the duct. The at least one measurement device is configured to measure at least one characteristic representative of a condition within the duct. At least one air filter element is coupled within the test rig. At least one first salt spray test is performed on the at least one air filter element. The collected salt spray water and equivalent amount of dry salt remaining in the test rig are quantified. At least one second salt spray test is performed on the at least one air filter element, wherein the at least one air filter element is dust loaded prior to the at least one second salt spray test.Type: GrantFiled: December 6, 2013Date of Patent: September 6, 2016Assignee: BHA Altair, LLCInventors: Stephen David Hiner, Bradly Aaron Kippel, Paul Sherwood Bryant, Giorgio Marchetti, Philippe Claudon
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Patent number: 9387426Abstract: Certain embodiments herein relate to systems and methods for managing turbine intake filters. In one embodiment, a system can include at least one memory configured to store computer-executable instructions and at least one controller configured to access the at least one memory and execute the computer-executable instructions. The instructions may be configured to monitor an indication associated with air flow through at least one filter of a turbine intake system. The instructions may be further configured to facilitate in the execution of at least management task of the turbine intake system, based at least in part on the indication of air flow through the filter.Type: GrantFiled: November 18, 2013Date of Patent: July 12, 2016Assignee: BHA Altair, LLCInventors: Paul Sherwood Bryant, Steve Hiner
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Patent number: 9371777Abstract: Solutions for efficiently filtering air for a machine are disclosed. In one embodiment, a filter element for a filter assembly of a rotary machine is provided. The filter element includes: a first set of pleats, each pleat including a first tip radius and a first spacing; and a second set of pleats, each pleat including a second tip radius and a second spacing, wherein the first and second set of pleats are positioned upon a continuous filter media.Type: GrantFiled: January 23, 2012Date of Patent: June 21, 2016Assignee: BHA Altair, LLCInventors: Paul Sherwood Bryant, Hongyi Zhou
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Patent number: 9370742Abstract: A filter element for filtering a fluid flowing through the filter element. The filter element includes a pleat pack that extends about an axis and that has an internal volume. The pleat pack includes a filter media for filtering out particulate from the fluid. The filter media is pleated. The pleats extend out along planes that are transverse to the axis. An associated method of providing a filter element that filters a fluid flowing through the filter element is provided.Type: GrantFiled: March 15, 2013Date of Patent: June 21, 2016Assignee: BHA Altair, LLCInventors: Sarah Adele Edwards, Martin Gregory Hatfield, Nusrat Farzana
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Patent number: 9358488Abstract: The present application provides a filtration system for a gas turbine engine. The filtration system may include a holding frame with a positioning element extending therefrom and a filtration unit for mounting within the holding frame. The filtration unit may include a positioning slot therein such that the positioning element extends through the positioning slot when the filtration unit is mounted within the holding frame.Type: GrantFiled: November 15, 2013Date of Patent: June 7, 2016Assignee: BHA Altair, LLCInventors: Etienne Rene Pascal Jarrier, William Keith Eyers, Peter John Duncan Smith, Richard Paul Steele
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Publication number: 20160097324Abstract: A filtration system and methods of assembly and operation are provided. The filtration system includes an array of perforated tubes in flow communication with a flow of intake air. Each perforated tube comprises a solids inlet and a solids outlet. The system also includes a solids feed system comprising a feed line coupled in flow communication with said solids inlet and configured to channel sorbent material through each perforated tube in said array. The filtration system also includes a monitoring arrangement for monitoring a parameter associated with the intake air, and varying the operation of the system based upon said parameter.Type: ApplicationFiled: October 6, 2014Publication date: April 7, 2016Applicant: BHA ALTAIR, LLCInventors: Robert Warren Taylor, Stephen David Hiner, Paul Sherwood Bryant
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Publication number: 20160061158Abstract: A media comprising a hydrophobic media layer and a hydrophilic matrix applied to one face of the hydrophobic media layer is provided. The media may be incorporated into a filter cartridge for an air filtration system for a gas turbine engine. The media may have the capability to wick droplets of water.Type: ApplicationFiled: August 28, 2014Publication date: March 3, 2016Applicant: BHA ALTAIR, LLCInventor: Robert Warren Taylor
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Publication number: 20150336041Abstract: A filter assembly for mounting to an opening in a tube sheet of a filter system is provided. The filter assembly includes a plurality of filter elements and a mounting structure. Each filter element includes an extension of filter media, a first coupling portion, and a second coupling portion. The first and second coupling portions are attached to the filter media. The first and second coupling portions are connectable to one another to secure a first one of the plurality of filter elements to a second one of the plurality of filter elements such that fluid communication between the first and second filter elements is established when connected. The mounting structure is sized and configured to mount to the tube sheet adjacent the opening. The mounting structure includes a mounting structure coupling portion being connectable to the first coupling portions of the filter elements.Type: ApplicationFiled: May 21, 2014Publication date: November 26, 2015Applicant: BHA ALTAIR, LLCInventors: Martin Gregory Hatfield, Ryan Margate Pastrana
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Patent number: 9132616Abstract: Composite membrane materials and process for their production. The process entails the use of at least first and second porous membranes formed of a polymeric material and at least a third porous membrane formed of the same polymeric material, but having larger pores than the first and second porous membranes. The first, second and third porous membranes are laminated together by applying heat and pressure to the first, second and third porous membranes without applying a separate adhesive material therebetween. The laminated first, second and third porous membranes form a composite membrane in which the third porous membrane is between the first and second porous membranes.Type: GrantFiled: August 31, 2010Date of Patent: September 15, 2015Assignee: BHA Altair, LLCInventors: Nusrat Farzana, Vishal Bansal
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Patent number: 9120046Abstract: This disclosure describes examples of a filter media for use in filter devices, e.g., pulse filter cartridges found in power generating systems. Embodiments of the filter media include a base media and a membrane, which partially covers one or both sides of the base media. In one embodiment, the membrane covers a membrane area of at least one side of the base media, wherein the membrane area is less than a total area of the side on which the membrane is disposed.Type: GrantFiled: August 1, 2012Date of Patent: September 1, 2015Assignee: BHA Altair, LLCInventors: Etienne Rene Jarrier, Martin Gregory Hatfield, Paul Sherwood Bryant
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Patent number: 9114343Abstract: A filtration unit and a method of installing a filtration unit are provided. The rectangular filtration unit includes a filter element for filtering fluid. The frame includes a first portion and a second portion. The frame supports the filter element and the frame defines an opening. A first dimension of the filtration unit measured between the exterior of the first portion and the opening is greater than a second dimension of the filtration unit measured between the exterior of the second portion and the opening. In a further example, the filtration unit is mounted in a top section and a bottom section of a holding frame.Type: GrantFiled: September 23, 2011Date of Patent: August 25, 2015Assignee: BHA Altair, LLCInventors: Abhijeet Madhukar Kulkarni, Richard Michael Ashley Mann, Philip John Montague, Kevin Anthony Saunders, Stephen David Hiner, Marcus Carr Walters
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Patent number: 9114347Abstract: An air treatment system and method that uses inertial moisture separators in two stages for removing moisture present in intake air entering the air treatment system, thereby increasing the effectiveness and lifespan of high efficiency filters that otherwise may become clogged by accumulating moisture.Type: GrantFiled: June 7, 2013Date of Patent: August 25, 2015Assignee: BHA Altair, LLCInventors: William Keith Albert Eyers, John Carl Davies
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Publication number: 20150159603Abstract: A system for testing at least one air filter element is provided. The system includes a test rig, wherein the test rig includes an elongated duct, and at least one measurement device coupled to the duct. The at least one measurement device is configured to measure at least one characteristic representative of a condition within the duct. At least one air filter element is coupled within the test rig. At least one first salt spray test is performed on the at least one air filter element. The collected salt spray water and equivalent amount of dry salt remaining in the test rig are quantified. At least one second salt spray test is performed on the at least one air filter element, wherein the at least one air filter element is dust loaded prior to the at least one second salt spray test.Type: ApplicationFiled: December 6, 2013Publication date: June 11, 2015Applicant: BHA Altair, LLCInventors: Stephen David Hiner, Bradly Aaron Kippel, Paul Sherwood Bryant, Giorgio Marchetti, Philippe Claudon
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Publication number: 20150159553Abstract: Methods of testing gas turbine filter elements under high or low temperature operating environments are provided. In one aspect, the method includes performing a fractional efficiency test on a filter. The method also includes heating or cooling the filter to a temperature that is higher or lower than an ambient temperature. The method further includes performing a second fractional efficiency test on the filter after the filter has been heated or cooled for a period of time at the temperature.Type: ApplicationFiled: December 5, 2013Publication date: June 11, 2015Applicant: BHA Altair, LLCInventors: Brad Aaron Kippel, Stephen David Hiner, Paul Sherwood Bryant, Giorgio Marchetti
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Publication number: 20150151236Abstract: A filter media is provided. The filter media includes a porous membrane material, and at least one fiber stitched into the porous membrane material. A property of the filter media is selected as a function of a stitch configuration of the at least one fiber in the filter media.Type: ApplicationFiled: December 4, 2013Publication date: June 4, 2015Applicant: BHA Altair, LLCInventors: Vishal Bansal, Ryan Margate Pastrana, Martin Gregory Hatfield, Robert Warren Taylor, Todd Joseph Scheerer
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Publication number: 20150152785Abstract: An air intake hood for channeling an incoming air flow downward in a filter house. The intake hood includes an inlet that is inclined.Type: ApplicationFiled: December 3, 2013Publication date: June 4, 2015Applicant: BHA Altair, LLCInventors: Rajesh Prabhakaran Saraswathi, Bradly Aaron Kippel, Jianmin Zhang, Arun Eapen Mathew