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| Number | Title | Issue Date |
| 7311593 | Air passage switching device An air passage switching device includes a film member for opening and closing an opening portion of an air passage, and the film member has a first end portion fixed to a peripheral portion of the opening portion and a second end portion fixed to a winding shaft. T... | 12/25/2007 |
| 7246788 | Roller belt cassette for use in a control device The invention relates to a roller belt cassette for use in a control device (1) serving to control airflows in motor vehicles, comprised of a roller belt subassembly having a roller louver, which is formed by a roller belt (5), and at least two shafts ... | 07/24/2007 |
| 7219874 | Access fitting for gas sampling bag An access fitting has a housing with a base and a cap located respectively on interior and exterior sides of the wall of a gas sampling bag. The base and cap are provided respectively with inner and outer ports aligned with an opening in the bag wall to provide a th... | 05/22/2007 |
| 7213547 | Valve A valve is constructed to strike a balance between providing relatively high sealing yet low friction as components of the valve move. The valve includes a port and an actuator movable relative to the port. A member is disposed between the port and the actuator. The... | 05/08/2007 |
| 7051994 | Control valve with detachable descrete curtain valve assembly Valves, particularly useful for controlling flow of heat transfer fluids in various heating, air conditioning and ventilation systems, are provided. The valves are of the curtain valve type and operate at very low torque and provide easy assembly and repair. The val... | 05/30/2006 |
| 6997206 | Pressure Compensating valve This invention relates to a pressure compensating valve and more particularly, but not exclusively, to a balanced pressure compensating valve, or regulator. The valve includes a chamber (6) for containing fluid, defined by a flexible barrier (2) trappe... | 02/14/2006 |
| 6981690 | Air-passage opening/closing device An air passage opening/closing device includes a film member for opening and closing an opening of an air passage of a case. One end of the film member is fixed to a fixing portion on an outer periphery of the opening of the air passage, and the other end thereof is... | 01/03/2006 |
| 6962320 | Flow control device A flow control device includes a wall part partitioning an upstream side and a downstream side of a flow passage for fluid, an aperture part formed on the wall part, a sheet shaped valve element which changes from a closed state in which the sheet shaped valve eleme... | 11/08/2005 |
| 6955338 | Air-passage opening/closing device An air passage opening/closing device includes a film member for opening and closing an opening of an air passage of a case. One end of the film member is fixed to a fixing portion on an outer periphery of the opening of the air passage, and the other end thereof is... | 10/18/2005 |
| 6932691 | Film valve assembly for a heating, ventilation and air conditioning system A film valve assembly for a heating, ventilation and air conditioning system includes a frame, two roller mechanisms disposed on the frame, and a film valve disposed between the roller mechanisms under tension. A tension unit includes a tension rod having two ends t... | 08/23/2005 |
| 6932692 | Film valve for an air conditioning system A film valve for an air conditioning system is of the type having two spaced-apart coupling ends, and a plurality of vent holes disposed between the coupling ends. The film valve includes a base layer made of glass fiber and having two opposite side surfaces, and tw... | 08/23/2005 |
| 6926068 | Air passage switching device and vehicle air conditioner In an air passage switching device using a film-type sliding door for an air-conditioning unit for a vehicle. A grid member is provided in an air passage to extend parallel with the sliding direction of a sliding door and divide an opening of the air passage into a ... | 08/09/2005 |
| 6926253 | Air passage changeover device having film screen An air passage in an air-conditioner such as an automotive air-conditioner is selectively opened or closed by moving a position of an opening formed on a film screen relative to the air passage. The film screen is coupled to a pair of rollers, forming a curved path ... | 08/09/2005 |
| 6811481 | Air passage switching device In an air passage switching device, a flexible film moves to traverse an air passage of an air duct, thereby switching and controlling a communication state of the air passage. A thickness t of the film, a glass transition temperature Tg thereof and a radius of curv... | 11/02/2004 |
| 6782911 | Easy opening fuel tank vent valve A vent valve for use in controlling discharge of fuel vapor from a fuel tank. The vent valve includes a housing for attachment to the fuel tank includes a wall defining a cavity therein. The float is contained in the cavity of the housing and is responsive to the le... | 08/31/2004 |
| 6779544 | Tank refueling shutoff valve and vent system A tank vent valve apparatus includes a valve housing formed to include an inlet port, an outlet port, and an interior region. The interior region is partitioned to define an intake chamber communicating with the inlet port, a discharge chamber communicating with the... | 08/24/2004 |
| 6749176 | Elliptical valve with nominal flow adjustment A valve for the accurate control of fluid flowing through the valve. The valve has a valve body and a flow control mechanism. The valve body is a two-part body having a fluid flow section and a valve adjustment section. The fluid flow section has a fluid flow cavity... | 06/15/2004 |
| 6588495 | Air passage switching device and vehicle air-conditioner The present invention provides anchor tabs at opposite ends of a film member that are anchored to side faces of a door plate of a sliding door. Draft deflectors prevent the inflow of air to between the anchor tabs and the side faces of the door plate. Thu... | 07/08/2003 |
| 6568468 | Air conditioning apparatus for vehicle In an air conditioning apparatus for a vehicle, a first cool air bypass passage is provided at an upper side of a heater core, and a second cool air bypass passage is provided at a lower side of the heater core. Cool air from the first cool air bypass pas... | 05/27/2003 |
| 6557827 | Leaf spring valve The valve is enabled, by being endowed with the force of stored energy, to generate an opening/closing motion with a small operating torque infallibly and stably, permit a reduction in cost, allow a compact construction, excel in durability, and enjoy a h... | 05/06/2003 |
| 6508703 | Air passage opening/closing device for vehicle air conditioner In an air passage opening/closing device for a vehicle air conditioner, a driving member is disposed to apply driving force for a reciprocating movement of a film member to at least one position of the film member, and a guide member is provided in an air... | 01/21/2003 |
| 6439539 | Electrically controllable valve An electrically controllable valve comprising at least one input port (13) and one or more output ports (12, 14), at least one sealing means (17, 18) being arranged to control the flow of a fluid between said input port and at least one of said output por... | 08/27/2002 |
| 6325096 | Variable orifice valve A variable orifice valve for controlling fluid flow in a conduit, comprising a band or other movable members defining an opening for passing the fluid therethrough, the band mounted transverse to the direction of fluid flow in the conduit, so that the ban... | 12/04/2001 |
| 6296562 | Air passage switching device and air conditioning apparatus having the same In an air passage switching device, suitable for use for example in a vehicle air conditioning apparatus, for switching a flow of air among a plurality of air passages by moving a film door in one direction by a stepping motor and in another direction by ... | 10/02/2001 |
| 6293339 | Vehicle air-conditioning system with independent left/right temperature control during maximum cooling A vehicle air-conditioning system that independently controls left-right air flow distribution in correspondence with left and right heat loads during a maximum cooling mode. In the system, blowout air flow is increased when driver seat side and passenger... | 09/25/2001 |
| 6276390 | Combination air release valve An air release valve comprising a housing having a fluid inlet and a fluid outlet, a valve plate within the housing between the inlet and outlet, the valve plate having an aperture therein; a valve seal assembly including a reinforced portion engageable w... | 08/21/2001 |
| 6273137 | Band controlled valve/actuator A band controlled valve apparatus for controlling fluid flow from a source to a sink, including a base (12) having an upper surface and an aperture (16) extending from the upper surface through the base (12) allowing the flow of fluid from the source thro... | 08/14/2001 |
| 6253659 | Band controlled valve/actuator A band controlled valve apparatus for controlling fluid flow from a source to a sink, including a base (12) having an upper surface and an aperture (16) extending from the upper surface through the base (12) allowing the flow of fluid from the source thro... | 07/03/2001 |
| 6216724 | Safety valve A safety valve to stop flow in the flow pipe (3), the safety valve including a drilling device (8) with its frame (6) to drill a hole in the flow pipe, a winding device (7) fixed to the frame of the drilling device and a band (4) wound with a winding devi... | 04/17/2001 |
| 6192920 | Chain link float valve A valve for maintaining a given level of liquid in a tank, reservoir, or other container having a liquid-gas interface. Said valve being actuated by a float that rises and falls along with the liquid in the container. Said valve float actuates a series of... | 02/27/2001 |
| 6189568 | Series mountable gas valve A gas flow control valve configured to facilitate back-to-back mounting with a second, similarly constructed valve. The gas valve includes a valve body defining an inlet port and an outlet port, the inlet and outlet ports being surrounded by seal forming ... | 02/20/2001 |
| 6173640 | Band controlled valve/actuator A band controlled valve apparatus for controlling fluid flow from a source to a sink, including a base (12) having an upper surface and an aperture (16) extending from the upper surface through the base (12) allowing the flow of fluid from the source thro... | 01/16/2001 |
| 6146265 | Vehicle air outlet assembly A vehicle air outlet assembly having a sliding shutoff door for blocking and unblocking air therethrough. The assembly includes a housing having a tubular form including inlet and outlet ends and defining an air passage between the ends. The shutoff door ... | 11/14/2000 |
| 6145533 | Air release valve An air release valve comprising a housing having a fluid inlet and a fluid outlet, a valve plate within the housing between the inlet and outlet, the valve plate having a pair of apertures; a valve seal assembly including a seal engageable with the valve ... | 11/14/2000 |
| 6074294 | Single shaft film valve drive An automotive air conditioning system mode control film belt that uses a single drive shaft to shift the belt back and forth. The belt follows a continuous loop that begins and ends at the single drive shaft, wrapping around idler rollers, where necessary... | 06/13/2000 |
| 6053201 | Valve device A valve device comprises a valve having an outlet passage (6, 7), a stationary surface, and a rotatable support member (15, 16) at a distance from the stationary surface, and a membrane (19) provided between the stationary surface and the support member. ... | 04/25/2000 |
| 6039075 | Band controlled valve/actuator A band controlled valve apparatus for controlling fluid flow from a source to a sink, including a base (12) having an upper surface and an aperture (16) extending from the upper surface through the base (12) allowing the flow of fluid from the source thro... | 03/21/2000 |
| 5984772 | Apparatus for controlling the flow of a stream of air, in particular for a heating and/or air conditioning installation for a motor vehicle An apparatus for controlling the flow of a stream of air consists of an independent module that comprises a support structure on which two rollers are mounted for rotation. A film, having open regions and closed regions, is wound between the two rollers, ... | 11/16/1999 |
| 5984225 | Compensating tensioning mechanism for film valve A roller drive mechanism for an automotive HVAC film valve belt includes a single motor type drive that automatically compensates for continually differing belt wind up and wind off rates, while maintaining at least a minimal belt tension, and without the... | 11/16/1999 |
| 5957150 | Air release valve An air release valve includes a housing having a fluid inlet and a fluid outlet, a valve plate within the housing between the inlet and outlet, the valve plate having a pair of discrete apertures isolated from each other; a valve seal assembly including a... | 09/28/1999 |
