| Patent application number | Description | Published |
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| 20110015779 | Method and System for Transporting Inventory Items - A system for transporting inventory items includes an inventory holder capable of storing inventory items and a mobile drive unit. The mobile drive unit is capable of moving to a first point with the inventory holder at least one of coupled to and supported by the mobile drive unit. The mobile drive unit is additionally capable of determining a location of the inventory holder and calculating a difference between the location of the inventory holder and the first point. The mobile drive unit is then capable of determining whether the difference is greater than a predetermined tolerance. In response to determining that the difference is greater than the predetermined tolerance, the mobile drive unit is also capable of moving to a second point based on the location of the inventory holder, docking with the inventory holder, and moving the mobile drive unit and the inventory holder to the first point. | 01-20-2011 |
| 20110125312 | Method and System for Transporting Inventory Items - A system for transporting inventory items includes an inventory holder capable of storing inventory items and a mobile drive unit. The mobile drive unit is capable of moving to a first point with the inventory holder at least one of coupled to and supported by the mobile drive unit. The mobile drive unit is additionally capable of determining a location of the inventory holder and calculating a difference between the location of the inventory holder and the first point. The mobile drive unit is then capable of determining whether the difference is greater than a predetermined tolerance. In response to determining that the difference is greater than the predetermined tolerance, the mobile drive unit is also capable of moving to a second point based on the location of the inventory holder, docking with the inventory holder, and moving the mobile drive unit and the inventory holder to the first point. | 05-26-2011 |
| 20110130866 | Method and System for Transporting Inventory Items - A system for transporting inventory items includes an inventory holder capable of storing inventory items and a mobile drive unit. The mobile drive unit is capable of moving to a first point with the inventory holder at least one of coupled to and supported by the mobile drive unit. The mobile drive unit is additionally capable of determining a location of the inventory holder and calculating a difference between the location of the inventory holder and the first point. The mobile drive unit is then capable of determining whether the difference is greater than a predetermined tolerance. In response to determining that the difference is greater than the predetermined tolerance, the mobile drive unit is also capable of moving to a second point based on the location of the inventory holder, docking with the inventory holder, and moving the mobile drive unit and the inventory holder to the first point. | 06-02-2011 |
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| 20080230028 | Outward-opening gas-exchange valve system for an internal combustion engine - An outwardly-opening gas-exchange valve assembly for an internal combustion engine. The valve assembly includes a port in a firing chamber in an engine head, the port having a valve seat on a side opposite from the firing chamber. A piston-shaped poppet valve head slides in a bore in the engine head for mating with the valve seat to occlude passage of gas across the valve seat. Withdrawal of the poppet valve head from the seat opens the firing chamber to communication with an intake or exhaust manifold runner in the engine head. The poppet valve head may be actuated by an overcenter lever arrangement actuated selectively by hydraulic pressure or mechanical actuation. In a preferred embodiment, OO intake and exhaust valves are radially arranged in a hemispherical fire deck and may include an adjustable pitch helical channel to induce swirl to the incoming gas. | 09-25-2008 |
| 20080271709 | Combustion engine technology - A fuel system for use in a combustion chamber of a compression ignition internal combustion engine comprises a pump arrangement having a pump chamber for fluid and a piston which is movable outwardly from the combustion chamber in response to pressure generated within the combustion chamber as a result of combustion so as to pressurise fluid within the pump chamber. The system also includes a control valve assembly for controlling the supply of fluid that is pressurised within the pump chamber to an accumulator volume. In one particular aspect, the invention provides a fuel system for use in an engine having at least two engine cylinders, comprising a first pump arrangement associated with one of the engine cylinders and a second pump arrangement associated with the other of the engine cylinders, each of the first and second pump arrangements having a pump chamber for fluid and a piston which is movable outwardly from the combustion chamber in response to pressure generated within the combustion chamber as a result of combustion so as to pressurise fuel within the pump chamber. At least one control valve assembly controls the supply of fluid that is pressurised within the pump chamber of at least one of the pump arrangements to an accumulator volume. | 11-06-2008 |
| 20090019835 | Fluid delivery system - A fluid delivery system for delivering a metered dose of fluid from a supply tank ( | 01-22-2009 |
| 20090038589 | Fuel injector and method for controlling fuel injectors - A fuel injector for an internal combustion engine, the fuel injector comprising an injector body, a fuel supply passage defined in the injector body, the fuel supply passage containing fuel under high pressure in use of the injector, a pressure sensor for measuring the pressure of fuel in the passage in use, wherein the pressure sensor is situated within the injector body and is separated from fuel in the passage in use, and a method of fuel injection, comprising constructing an hydraulic behaviour profile by fuel pressure measurement, using the hydraulic behaviour profile to predict fuel pressure that will prevail in a fuel injector during an injection event, and supplying a control signal to the fuel injector to control the amount of fuel injected during the injection event in accordance with the predicted fuel pressure. By predicting the fuel pressure that will prevail during an injection event, the fuel delivered during the injection event can be accurately controlled. | 02-12-2009 |
| 20090139487 | Dual mode combustion apparatus and method - A fuel injection apparatus for a fuel injector nozzle includes a moveable valve needle slideably located within a nozzle body, the nozzle body having an internal surface defining a valve seat between a fuel supply path and fuel outlets. The valve needle includes an obturator piston that is engagable with an axial fuel outlet and a two-stage lift mechanism for enabling lift of the valve needle. In a first stage lifted position of the valve needle, the valve face is spaced apart from the valve seat, and the obturator piston is positioned such that a fuel flow passage is opened between the obturator piston and the axial fuel outlet. In a second stage lifted position, the valve face is spaced further apart from the valve seat and the obturator piston is positioned such that the fuel flow passage between the obturator piston and the axial fuel outlet is substantially closed. | 06-04-2009 |
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| 20080218040 | Modular security cabinet system for storing firearms or the like - A storage cabinet assembly for use in storing firearms or the like includes a cabinet with a recessed bifold door arrangement, to facilitate access to items contained within the cabinet assembly. The door arrangement includes a single-point locking system, which provides a secure arrangement for maintaining the doors in a closed position while providing ease in opening and closing the doors. Various support and storage modules or components are adapted to be contained within the interior of the cabinet, including stock rests for positioning in the bottom of the cabinet interior, as well as barrel rests and pistol supports that are secured to amounting member which may be adjustably positioned within the storage cabinet interior. A bin or shelf arrangement may also be positioned within the storage cabinet interior. The various support and storage modules or components may be used in various combinations, and may be moved to various positions within the storage cabinet interior. | 09-11-2008 |
| 20090079308 | Modular Security Cabinet System For Storing Firearms Or The Like - A storage cabinet assembly for use in storing firearms or the like includes a cabinet with a recessed bifold door arrangement, to facilitate access to items contained within the cabinet assembly. The door arrangement includes a single-point locking system, which provides a secure arrangement for maintaining the doors in a closed position while providing ease in opening and closing the doors. Various support and storage modules or components are adapted to be contained within the interior of the cabinet, including stock rests for positioning in the bottom of the cabinet interior, as well as barrel rests and pistol supports that are secured to amounting member which may be adjustably positioned within the storage cabinet interior. A bin or shelf arrangement may also be positioned within the storage cabinet interior. The various support and storage modules or components may be used in various combinations, and may be moved to various positions within the storage cabinet interior. | 03-26-2009 |
| 20100212334 | Enhanced Performance Dehumidification Apparatus, System and Method - A dehumidifier includes an air flow path with first, second and third segments in series from upstream to downstream and passing ambient air respectively to an evaporator coil then to a condenser coil and then discharging same. The air flow path has a fourth segment passing ambient air to the condenser coil in parallel with the noted second air flow path segment. A bypass door is configured to selectively block air flow along the fourth segment and allow air flow along the fourth segment. | 08-26-2010 |
