Involving Shielding Apparatus Patents (Class 55/385.7)
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Patent number: 11194106Abstract: An optical transceiver according to an aspect of the present embodiment is an optical transceiver configured to be inserted to and extracted from a cage of an apparatus along a first direction. The optical transceiver includes a device generating heat, and a housing having a rectangular parallelepiped shape with long sides extending along the first direction. The housing includes an internal space housing the device, and an outside part configured to be exposed to an outside of the cage. When the housing is engaged with the cage, the outside part having an air intake part configured to bring an outside air into the internal space for cooling the device.Type: GrantFiled: March 2, 2020Date of Patent: December 7, 2021Assignee: Sumitomo Electric Industries, Ltd.Inventors: Takashi Matsui, Hiromi Kurashima
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Patent number: 10674254Abstract: A portable electronic device includes a housing that at least partially defines an internal volume. The portable electronic device further includes a cover secured to the housing and that is and capable of enclosing the internal volume. The cover having a cover opening capable of passing an audible sound provided by an audio module located within the internal volume. The audible sound passing from the audio module to the cover opening along an audible sound path. The portable electronic device further includes a bracket assembly positioned in the internal volume and having: (i) a bracket opening that is aligned with and between the audio module with the cover opening, and (ii) a fin element that spans the bracket opening, the fin element having at least a portion positioned within the audible sound path.Type: GrantFiled: April 1, 2019Date of Patent: June 2, 2020Assignee: APPLE INC.Inventors: Tyler B. Cater, Mu-Hua Cheng, Teemu P. Sipila
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Publication number: 20150128539Abstract: A filter assembly includes: a filter pad including fibers selected from wool fibers, wood-based viscose fibers, and cellulose-based synthetic fibers, the fibers configured to absorb grease particulates; a baffle-type filter; and a support bracket configured to support the filter pad. The support bracket includes: a clip portion that is substantially u-shaped; an attachment portion including a mounting hole formed in a surface thereof; and a support portion arranged between the clip portion and the attachment portion, the support portion configured to support the disposable filter thereon. The filter assembly includes a hanging bracket configured to support the filter pad therein, the hanging bracket including a front wall, an attachment wall including a mounting hole formed in a surface thereof, and a top wall arranged between the front wall and attachment wall. The support bracket and the hanging bracket are configured to mount the filter assembly to an exhaust hood.Type: ApplicationFiled: November 12, 2014Publication date: May 14, 2015Inventor: Jordan SALPIETRA
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Publication number: 20150086433Abstract: An emissions cleaning module electronics support unit includes a base member which defines at least one seating location for an electronics module; and a roof member includes a first end joined to the base member and a second end, distal the base member, coupled to a brace or one or more conduits of the emissions cleaning module. The roof member may be shaped to extend up and over the base member so as to create an open-mouthed cavity. The base member may include one or more apertures creating tortuous thermal paths between the attachment member and electronics module seating location.Type: ApplicationFiled: December 7, 2012Publication date: March 26, 2015Applicant: Perkins Engines Company LimitedInventor: Naseer A. Niaz
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Patent number: 8821622Abstract: A filter system for an explosion-proof enclosure is described herein. The filter system can include a pre-filter assembly located outside the explosion-proof enclosure. The pre-filter assembly can include a pre-filter material configured to control air passing therethrough. The filter system can also include a filter assembly coupled to the pre-filter assembly. The filter assembly can further control the air received from the pre-filter assembly and passing therethrough into the explosion-proof enclosure.Type: GrantFiled: December 20, 2011Date of Patent: September 2, 2014Assignee: Cooper Technologies CompanyInventors: Joseph Michael Manahan, Graig E. Decarr
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Publication number: 20140048635Abstract: The present disclosure relates to an air cleaning system for an off-road excavation apparatus. The off-road excavation apparatus includes an excavating component and a shroud assembly that at least partially covers the excavating component. The shroud assembly includes a first shroud component and a second shroud component. The first shroud component is moveable relative to the second shroud component to allow access to the excavating component. The air cleaning system draws air from inside the shroud assembly and includes an air cleaner, an air conduit and an air moving device that are all carried by the first shroud component as the first shroud component is moved relative to the second shroud component.Type: ApplicationFiled: April 13, 2012Publication date: February 20, 2014Inventors: Edward Lee Cutler, Glenn Meinders
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Publication number: 20140017068Abstract: The present application provides a turbine inlet air filter system for filtering a flow of air about a compressor. The turbine inlet air filter system may include an inlet filter house and an inlet duct extending from the inlet filter house to the compressor. The inlet duct may include an air elbow with an elbow gate thereon.Type: ApplicationFiled: July 12, 2012Publication date: January 16, 2014Applicant: GENERAL ELECTRIC COMPANYInventor: Oswaldo Herrera
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Publication number: 20130174526Abstract: In a construction machine, an equipment room cover is formed with a maintenance hole, which has such a shape as to allow an air filter to pass, at a position on a rear side of the air filter mounted to a filter mounting portion of an air intake duct. A locking device of the filter mounting portion has a movable member movable between a locking position and a lock-releasing position. In the locking position, the movable member contacts with a rear surface of the air filter in a state that a front surface of the air filter is contacted with a contact member so that the air filter is sandwiched and held between the movable member and the contact member. In the lock-releasing position, the movable member is moved away from the rear surface of the air filter for allowing movement of the air filter toward the rear side.Type: ApplicationFiled: December 17, 2012Publication date: July 11, 2013Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventor: KOBELCO CONSTRUCTION MACHINERY CO., LTD.
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Publication number: 20130171035Abstract: An exhaust treatment device includes an insulation material positioned between an inner shell and an outer shell. An inlet tube has an end in communication with a cavity defined by the inner shell. A substrate for treating engine exhaust is positioned within the inner shell. A cast metal mounting ring is positioned between the inner and outer shells and includes a mounting provision for receipt of a fastener.Type: ApplicationFiled: January 2, 2013Publication date: July 4, 2013Applicant: TENNECO AUTOMOTIVE OPERATING COMPANY INC.Inventor: Tenneco Automotive Operating Company Inc.
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Patent number: 8443584Abstract: An embodiment of the present invention takes the form of a system that may recirculate a portion of the exhaust of at least one turbomachine where it may be mixed with the inlet air and re-enter the turbomachine without affecting reliability and availability of the unit. An embodiment of the present invention provides an inlet system for an exhaust gas recirculation system. This inlet system may take a variety of forms and may optimize the direction that the portion of the recirculated exhaust stream flows within the inlet system.Type: GrantFiled: February 16, 2011Date of Patent: May 21, 2013Assignee: General Electric CompanyInventors: Sam D. Draper, Douglas S. Byrd, Carl G. Schott, Rahul J. Chillar, Amit S. Toprani
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Patent number: 8402737Abstract: An embodiment of the present invention takes the form of a system that may recirculate a portion of the exhaust of at least one turbomachine where it may be mixed with the inlet air and re-enter the turbomachine without affecting reliability and availability of the unit. An embodiment of the present invention provides an inlet system for an exhaust gas recirculation system. This inlet system may take a variety of forms and may optimize the direction that the portion of the recirculated exhaust stream flows within the inlet system.Type: GrantFiled: February 16, 2011Date of Patent: March 26, 2013Assignee: General Electric CompanyInventors: Sam D. Draper, Douglas S. Byrd, Carl G. Schott, Rahul J. Chillar, Amit S. Toprani
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Patent number: 8397484Abstract: An embodiment of the present invention takes the form of a system that may recirculate a portion of the exhaust of at least one turbomachine where it may be mixed with the inlet air and re-enter the turbomachine without affecting reliability and availability of the unit. An embodiment of the present invention provides an inlet system for an exhaust gas recirculation system. This inlet system may take a variety of forms and may optimize the direction that the portion of the recirculated exhaust stream flows within the inlet system.Type: GrantFiled: February 16, 2011Date of Patent: March 19, 2013Assignee: General Electric CompanyInventors: Sam D. Draper, Douglas S. Byrd, Carl G. Schott, Rahul J. Chillar, Amit S. Toprani
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Publication number: 20130047564Abstract: An exhaust gas after-treatment device has a body containing an after-treatment element and a shield that substantially encloses the outer surface of the after-treatment device. The shield is coupled to the exhaust gas outlet of the after-treatment device such that at least a portion of the exhaust gas exiting the after-treatment device is conducted into the space between the outer surface of the after-treatment device and the shield.Type: ApplicationFiled: August 27, 2011Publication date: February 28, 2013Inventors: James M. Hershbarger, James P. Batzold
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Publication number: 20130019577Abstract: In one example, we discuss the capture of the gases as byproducts, for future/other purposes, coming from conventional power generators or factories or from algae biofuel production facility (or any other similar sources). This increases the energy production, saves the environment, conserves the resources, improves the air quality, reduces the global warming, increases water supply, reduces the cost, and improves agriculture and food resources, around the globe. In one example, we discuss the biofuel production, method, and system.Type: ApplicationFiled: September 15, 2012Publication date: January 24, 2013Inventor: Cornel Gleason
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Publication number: 20120324843Abstract: The present application provides an inlet air pulse filtration system. The inlet air pulse filtration system may include an inlet filter house and a number of pulse filters positioned therein. One or more of the pulse filters may include a conical section, a transitional section, and a tapered section.Type: ApplicationFiled: June 23, 2011Publication date: December 27, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Rajesh Prabhakaran Saraswathi, Rahul Chillar
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Publication number: 20120260616Abstract: A replaceable filter module is configured to be flanged to a wall of a housing that holds a fuel cell. The filter module includes a filter element with a filter medium and at least one of a seal and sealing elements. The seal includes one of a key-and-lock connection, a plug-and-socket connection, and a tongue-and-groove connection.Type: ApplicationFiled: April 18, 2012Publication date: October 18, 2012Applicant: CARL FREUDENBERG KGInventors: Klaus Leister, Hannes Clasen, Thomas Fischer
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Publication number: 20120255267Abstract: A filter unit for an extractor hood includes at least one filter element, and at least one protection plate which is arranged in a flow direction upstream of the filter element. The protection plate is made of at least two layers and can have a thickness in a range of 0.5 mm to 10 mm.Type: ApplicationFiled: April 10, 2012Publication date: October 11, 2012Applicant: BSH BOSCH UND SIEMENS HAUSGERATE GMBHInventors: Julia Ehrensberger, Ralf Grobleben, Sándor Klunker, Thomas Kotlinski, Oliver Kraemer, Daniel Metz, Christoph Ortmann, Udo Reiff, Volkmar Uebele
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Publication number: 20120240535Abstract: Embodiments of the present invention secure a filter component to a filter system, via magnetism. Here, at least one magnet is attached to a structure of the filter system. Embodiments of the present invention include a filter connection apparatus for use in a filtering system that provides an ingested airstream to an inlet system. In particular, some embodiments of the present invention provide use a magnet to secure the filter to the filter system and gradually compress the filter against a sealing face of a filter frame. Furthermore, the magnet may comprise many forms, including permanent and non-permanent magnets.Type: ApplicationFiled: March 22, 2011Publication date: September 27, 2012Inventors: Richard Michael Ashley Mann, Abhijeet Madhukar Kulkarni
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Publication number: 20120204721Abstract: A pressure cyclone is disclosed having a concave top head, wherein the concave top head has a substantially flat roof disposed in the interior of the cyclone vessel. An inlet is tangentially-coupled to the vessel and has an inlet nozzle disposed therein and configured to smoothly transition into the cyclone vessel to create a vortex that separates solid particulates from an incoming particulate-fluid suspension. In particular, the one surface of the inlet nozzle is tangent to the inner surface of cyclone vessel and another surface of the inlet nozzle is parallel and continuous with the substantially flat roof. An inlet casing is disposed around a length of the inlet nozzle and configured to transition from a circular casing to an elliptical casing along the length of the inlet nozzle, and couple to the vessel with the elliptical casing.Type: ApplicationFiled: April 16, 2012Publication date: August 16, 2012Applicant: KELLOGG BROWN & ROOT LLCInventor: William E. Phillips
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Publication number: 20120204846Abstract: An engine includes a breather conduit, an intake conduit, and an air filter assembly. The air filter assembly includes a case and a filter element. The case includes a first opening for receiving the breather conduit, and a second opening for receiving the intake conduit. The filter element includes a first aperture, a second aperture, and filter media at least partially defining an interior chamber of the filter element. The first and second apertures of the filter element are at least partially aligned with the first and second openings of the case, respectively. The filter element is positioned in the case such that the breather conduit and the intake conduit are directed to or from the interior chamber of the filter element, such that air filtered by the filter media mixes with unfiltered gases from the breather conduit in the interior chamber of the filter element prior to entering the intake conduit.Type: ApplicationFiled: February 11, 2011Publication date: August 16, 2012Inventor: Michael Schultz
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Publication number: 20120204525Abstract: The present application provides a turbine inlet air filter system for an incoming flow of air. The turbine inlet air filter system may include a gas turbine engine, a chimney, a weather hood positioned on the chimney, and a filter house. The incoming flow of air flows through the weather hood, the chimney, the filter house, and into the gas turbine engine.Type: ApplicationFiled: February 11, 2011Publication date: August 16, 2012Applicant: GENERAL ELECTRIC COMPANYInventor: Etienne Rene Jarrier
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Publication number: 20120199001Abstract: A moisture diversion system for a gas turbine inlet. The moisture diversion system comprises a housing that is operably connected with a gas turbine and defines an opening through which air flows to the gas turbine. A hood is attached to the housing adjacent the opening. The hood has a surface disposed at an acute angle relative to horizontal. A device is disposed relative to the hood to separate moisture from air flowing through the device. Separated moisture is directed onto the hood. A gutter is disposed adjacent an edge of the hood to collect moisture from the hood. A conduit is fluidly connected with the gutter to conduct water away from the gutter and the opening in the housing to inhibit separated moisture from re-entering the air flow through the opening to the gas turbine.Type: ApplicationFiled: February 7, 2011Publication date: August 9, 2012Inventors: Rahul Jaikaran Chillar, Adil Ansari
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Patent number: 8226749Abstract: A pressure cyclone is disclosed having a concave top head, wherein the concave top head has a substantially flat roof disposed in the interior of the cyclone vessel. An inlet is tangentially-coupled to the vessel and has an inlet nozzle disposed therein and configured to smoothly transition into the cyclone vessel to create a vortex that separates solid particulates from an incoming particulate-fluid suspension. In particular, the one surface of the inlet nozzle is tangent to the inner surface of cyclone vessel and another surface of the inlet nozzle is parallel and continuous with the substantially flat roof. An inlet casing is disposed around a length of the inlet nozzle and configured to transition from a circular casing to an elliptical casing along the length of the inlet nozzle, and couple to the vessel with the elliptical casing.Type: GrantFiled: April 16, 2012Date of Patent: July 24, 2012Assignee: Kellogg Brown & Root LLCInventor: William E. Phillips
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Housing for a centrifugal fan, the centrifugal fan, and electronic device having the centrifugal fan
Patent number: 8152881Abstract: A housing for a centrifugal fan includes a surrounding wall extending upwardly from a periphery of a bottom wall with an air inlet, and including a surrounding wall body defining an opening, a protruding wall body extending outwardly from the surrounding wall body, corresponding to the opening, and having a dust-discharging hole, and a shielding plate disposed on the protruding wall body. The surrounding wall body and the bottom wall cooperatively define an accommodation space communicated with the air inlet, and an air outlet communicated with the accommodation space. The protruding wall body, the shielding plate, and the bottom wall cooperatively define a turbulence space communicated with the accommodation space. The shielding plate is movable between a closed position to close the dust-discharging hole, and an open position to open the dust-discharging hole so as to permit fluid communication between the turbulence space and the outside environment.Type: GrantFiled: October 20, 2009Date of Patent: April 10, 2012Assignee: Wistron CorporationInventors: Ming-Chih Chen, Wei-Cheng Chou -
Publication number: 20110271836Abstract: A pressure cyclone is disclosed having a concave top head, wherein the concave top head has a substantially flat roof disposed in the interior of the cyclone vessel. An inlet is tangentially-coupled to the vessel and has an inlet nozzle disposed therein and configured to smoothly transition into the cyclone vessel to create a vortex that separates solid particulates from an incoming particulate-fluid suspension. In particular, the one surface of the inlet nozzle is tangent to the inner surface of cyclone vessel and another surface of the inlet nozzle is parallel and continuous with the substantially flat roof. An inlet casing is disposed around a length of the inlet nozzle and configured to transition from a circular casing to an elliptical casing along the length of the inlet nozzle, and couple to the vessel with the elliptical casing.Type: ApplicationFiled: May 4, 2010Publication date: November 10, 2011Applicant: KELLOGG BROWN & ROOT LLCInventor: William E. Phillips
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Patent number: 7936566Abstract: An electronic control unit has a respiratory filter mounted on a waterproof case. Raised protective walls formed in the case surround the portion of the case at which the respiratory filter is arranged. At least two concave portions are provided for drainage that each extend through different positions of the protective walls.Type: GrantFiled: November 8, 2006Date of Patent: May 3, 2011Assignee: Hitachi, Ltd.Inventors: Toshikazu Shigyo, Kazunori Nozawa
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Publication number: 20110030560Abstract: A convertible air cleaner adapted for use in a tower or non-tower orientation including: a housing defining an interior chamber; an air filter disposed in the interior chamber; an air inlet through a first outer face of the housing; and an air outlet through a second face of the housing is described. In the air cleaner, the air inlet is disposed substantially opposite the air outlet, and the air cleaner is adapted to create an airflow between the air inlet and the air outlet when the air cleaner is in a tower or a non-tower orientation.Type: ApplicationFiled: August 4, 2009Publication date: February 10, 2011Inventors: John R. Bohlen, Michael R. Amburgey
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Publication number: 20110005178Abstract: An air filtration system includes a support structure, an enclosure coupled to the support structure and including an air outlet, a filter and a fan operatively coupled to the enclosure, and a diffusion screen configured to cover the air outlet. The diffusion screen includes a screen frame configured to be removably attachable to the enclosure with at least one releasable fastener, and at least a diffusion layer substantially spanning the screen frame to cover the air outlet to provide unidirectional or laminar air flow from the air outlet.Type: ApplicationFiled: July 9, 2010Publication date: January 13, 2011Applicant: Filtration Group, Inc.Inventors: Edward F. Lyons, Wenli Wang, Philip J. Winters
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HOUSING FOR A CENTRIFUGAL FAN, THE CENTRIFUGAL FAN, AND ELECTRONIC DEVICE HAVING THE CENTRIFUGAL FAN
Publication number: 20100275560Abstract: A housing for a centrifugal fan includes a surrounding wall extending upwardly from a periphery of a bottom wall with an air inlet, and including a surrounding wall body defining an opening, a protruding wall body extending outwardly from the surrounding wall body, corresponding to the opening, and having a dust-discharging hole, and a shielding plate disposed on the protruding wall body. The surrounding wall body and the bottom wall cooperatively define an accommodation space communicated with the air inlet, and an air outlet communicated with the accommodation space. The protruding wall body, the shielding plate, and the bottom wall cooperatively define a turbulence space communicated with the accommodation space. The shielding plate is movable between a closed position to close the dust-discharging hole, and an open position to open the dust-discharging hole so as to permit fluid communication between the turbulence space and the outside environment.Type: ApplicationFiled: October 20, 2009Publication date: November 4, 2010Inventors: MING-CHIH CHEN, Wei-Cheng Chou -
Publication number: 20090064644Abstract: This invention relates in general to a guard(s)/cap(s) and/or screen(s) apparatus (single and/or multiple formation) for the nacelle/air inlet for numerous jets, turbojet, turboprop and turboshaft engines—(Helicopters and other VTOL/VSTOL aircraft) such as power plants or the like. This apparatus contains the rotational system(s) as well as the engine shaft attached apparatus and/or pole that allows the mechanism to function by auto induced movement, without limiting engine thrust. Additional security measures have been introduced to the guard(s)/cap(s) and/or screen(s) apparatus, which includes a centrifuge chamber/manifold for particle collector without limiting engine thrust.Type: ApplicationFiled: March 28, 2007Publication date: March 12, 2009Inventor: Marina Ellen Marinella Pavlatos
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Patent number: 7338547Abstract: Electro-magnetic-energy absorbing materials are used to treat air filters, such as those used in association with electronic equipment thereby suppressing the transmission of electromagnetic interference (EMI) therethrough. Disclosed are processes and materials for applying EMI-absorbing materials to air filters thereby improving EMI-shielding effectiveness in an economically efficient manner. In one embodiment, an absorptive solution is prepared using an absorptive material and a binding agent. A heavy coating of absorbing solution applied to an air filter substrate, for example by dipping or spraying. Excess absorbing material is subsequently removed and the absorbing material cured, such that the passage of air through the filter remains substantially unimpeded. The resulting absorptive air filter is then optionally treated with a flame retardant to meet a predetermined safety standard.Type: GrantFiled: October 2, 2003Date of Patent: March 4, 2008Assignee: Laird Technologies, Inc.Inventors: Richard Norman Johnson, Phillip van Haaster
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Patent number: 6974489Abstract: There is disclosed an apparatus and method for protecting electronic devices against excessive heat build-up and particulate infiltration while implementing EMC shielding.Type: GrantFiled: October 16, 2003Date of Patent: December 13, 2005Assignee: International Business Machines CorporationInventors: Louis Edward Behrens, Matthew Allen Butterbaugh, Don A. Gilliland, Maurice Francis Holahan, Paul Daniel Pederson, Jr.
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Patent number: 6830601Abstract: The invention relates to a carburetor arrangement for an internal combustion engine (1) which drives a work apparatus. The engine (1) has an intake channel (3) leading through a carburetor (2). The intake channel (3) includes an intake opening (4) on the side of the carburetor (2) facing away from the engine (1). A baffle wall (5) is provided and covers the intake opening (4) at least partially. The baffle wall (5) is mounted transversely to the longitudinal axis (6) of the intake channel (3) at a spacing to the intake opening (4). The baffle wall (5) and the intake opening (4) define a baffle enclosure (7) disposed therebetween. At least a first component part (8) of the baffle wall (5) is inclined with respect to the longitudinal axis (6) of the intake channel (3) in such a manner that fuel droplets (9), which exit from the intake channel (3) and which impinge on the first component part (8) of the baffle wall (5), form a fuel film (10).Type: GrantFiled: August 18, 2003Date of Patent: December 14, 2004Assignee: Andreas Stihl AG & Co. KGInventors: Georg Maier, Martin Benholz, Günter Wolf, Philipp Neumann, Andreas Bähner
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Patent number: 6780214Abstract: An air intake scoop for a motorcycle carburetor inserts into the carburetor mouth while also fitting within the air filter housing. The air scoop being designed with a cutout in front, a ridge along the interior and a 90-degree angle for the ability to draw a strong airflow into the carburetor, preventing gas mist from escaping from the carburetor. This air intake scoop would be molded preferably of polyurethane or other gas and oil resistant plastic or rubber, and would be easily adapted to fit a variety of different sizes of carburetors and air filter housings. An air filter cover with a forward air opening admits a strong current of air into the air filter and air intake scoop on clear days and has a closeable lid to prevent water from entering the carburetor on rainy days.Type: GrantFiled: December 6, 2002Date of Patent: August 24, 2004Inventor: David Leibold
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Patent number: 6776706Abstract: In one aspect, a modular fan system includes a fan, a plenum member adapted to be mounted to the fan and adapted to be mounted to an enclosure, a gasket adapted to be mounted between the plenum member and the enclosure, a filter adapted to be mounted within the plenum member, and a grille adapted to be mounted to the plenum member. In the system, one or more of the fan, the plenum member, the gasket, the filter, and the grille are both assemblable into a first fan assembly and are alternatively assemblable into a second fan assembly. Another aspect also provides a stand-off collar adapted to be mounted to the enclosure, a first grille adapted to be mounted to the plenum member and adapted to be alternatively mounted to the stand-off collar, and an EMI/RFI shielding grille adapted to be mounted to the plenum member.Type: GrantFiled: April 11, 2001Date of Patent: August 17, 2004Assignee: Hoffman Enclosures, Inc.Inventors: Shawn J. Kipka, Bryon K. Jorgenson, Joe Ricke, Seweryn Sadura, Anthony K. Gross
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Publication number: 20040031250Abstract: The invention relates to a carburetor arrangement for an internal combustion engine (1) which drives a work apparatus. The engine (1) has an intake channel (3) leading through a carburetor (2). The intake channel (3) includes an intake opening (4) on the side of the carburetor (2) facing away from the engine (1). A baffle wall (5) is provided and covers the intake opening (4) at least partially. The baffle wall (5) is mounted transversely to the longitudinal axis (6) of the intake channel (3) at a spacing to the intake opening (4). The baffle wall (5) and the intake opening (4) define a baffle enclosure (7) disposed therebetween. At least a first component part (8) of the baffle wall (5) is inclined with respect to the longitudinal axis (6) of the intake channel (3) in such a manner that fuel droplets (9), which exit from the intake channel (3) and which impinge on the first component part (8) of the baffle wall (5), form a fuel film (10).Type: ApplicationFiled: August 18, 2003Publication date: February 19, 2004Inventors: Georg Maier, Martin Benholz, Gunter Wolf, Philipp Neumann, Andreas Bahner
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Patent number: 6655335Abstract: A small engine for outdoor power equipment wherein fuel is pumped to the engine's combustion chamber by a reciprocating piston. A desired rate of reciprocation is determined with the engine under load, e.g., with a grass trimmer cutting grass. Avoidance of undesired engine racing is accomplished by restricting airflow to the carburetor which prevents significant increased reciprocation over that desired when cutting. A choke mechanism is provided with a pair of end portions, one of which closes air to the carburetor for starting and the other provides a spaced barrier for inhibiting blow-back. The one end portion includes an inset that seats in the opening through which air enters the carburetor for providing rigidity and to insure closing.Type: GrantFiled: July 3, 2002Date of Patent: December 2, 2003Assignee: Shindaiwa Kogyo Co., LTDInventors: Kenji Imafuku, Hisau Kodama, Hidenori Hiraki
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Patent number: 6607574Abstract: The invention relates to a carburetor arrangement for an internal combustion engine (1) which drives a work apparatus. The engine (1) has an intake channel (3) leading through a carburetor (2). The intake channel (3) includes an intake opening (4) on the side of the carburetor (2) facing away from the engine (1). A baffle wall (5) is provided and covers the intake opening (4) at least partially. The baffle wall (5) is mounted transversely to the longitudinal axis (6) of the intake channel (3) at a spacing to the intake opening (4). The baffle wall (5) and the intake opening (4) define a baffle enclosure (7) disposed therebetween. At least a first component part (8) of the baffle wall (5) is inclined with respect to the longitudinal axis (6) of the intake channel (3) in such a manner that fuel droplets (9), which exit from the intake channel (3) and which impinge on the first component part (8) of the baffle wall (5), form a fuel film (10).Type: GrantFiled: March 22, 2002Date of Patent: August 19, 2003Assignee: Andreas Stihl AG & Co.Inventors: Georg Maier, Martin Benholz, Günter Wolf, Philipp Neumann
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Publication number: 20030150197Abstract: Disclosed are a vent disclosed for a septic system, including a conduit configured to vent gas therefrom, including a leg configured to conceal a portion of, and convey gas from, the conduit, and a method of concealing a conduit configured to vent gas from a septic system including sizing the conduit, then mounting on the conduit a leg configured to convey gas from the conduit.Type: ApplicationFiled: February 13, 2002Publication date: August 14, 2003Inventors: William M. Traut, Stanley J. Sreda
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Patent number: 6552900Abstract: An apparatus having at least one membrane filter for a superficial filtering of at least dirt particles from inflowing cooling air for cooling an electrical module and also at least one cooling device for establishing an air flow in the housing and for discharging the heated-up cooling air out of the housing from at least one air outlet, the membrane filter having a netting of an electrically conductive material for electromagnetically shielding the electrical module.Type: GrantFiled: October 9, 2001Date of Patent: April 22, 2003Assignee: Siemens AktiengesellschaftInventors: Bruno Hoefer, Guido Reeck
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Patent number: 6171357Abstract: A combined air filter and EMI shield including an air filter formed of a conducting metal thread mesh. Preferably, a mesh size of the air filter is selected in accordance with electromagnetic interference and air flow requirements.Type: GrantFiled: January 4, 1999Date of Patent: January 9, 2001Assignee: ECI Telecom Ltd.Inventor: Baruch Guttmann