Patent application number | Description | Published |
20100276250 | HIGH SPEED BOARD FEEDER - A transfer mechanism that transfers boards from a first conveyor onto a second conveyor having lugs using a stop, a cammed wheel for lifting boards over the stop, and a programmable computer controller for controlling the cammed wheel independent of the speed of the first and second conveyors. | 11-04-2010 |
20100300833 | BOARD LUMBER POSITIONING FENCE - Provided is a positioning fence for use in lumber sawmills that facilitates automated positioning of lumber for cutting and a method of positioning lumber for cutting. A continuous moving track loop has a plurality of paddles laterally positionable across the width of the track. Electromagnets are used to control the position of the paddles and, thus, the position of lumber being transported by the paddles. Also provided are uses of the positioning fence to position lumber for cutting. | 12-02-2010 |
20110072990 | LUMBER PRINTER - Provided is a printer for printing stamps on boards and a method of printing stamps on boards. The printer is capable of printing multiple types of stamps simultaneously on boards. | 03-31-2011 |
20120037476 | BOARD LUMBER POSITIONING FENCE - Provided is a positioning fence for use in lumber sawmills and method of using the positioning fence that facilitates automated positioning of lumber for cutting and a method of positioning lumber for cutting. Also provided is a retrofit position fence table and a method of using the retrofit position fence table. A continuous moving track loop has a plurality of paddles laterally positionable across the width of the track. A track moving device is used to adjust the final locked position of the paddles if the paddles are not locked in the desired position. | 02-16-2012 |
20120285136 | METHOD OF PROTECTING A LUG AND A CHAIN OF A LUMBER DRAG CHAIN AND A PROTECTED LUMBER DRAG CHAIN - Provided is a method of protecting a drag chain for a lumber mill and a drag chain having a chain guard and a lug guard. The chain guard and lug guard each only require use of a single weld washer for mounting. | 11-15-2012 |
20130118367 | LUMBER PRINTER - Provided is a printer for printing stamps on boards and a method of printing stamps on boards. The printer is capable of printing multiple types of stamps simultaneously on boards. | 05-16-2013 |
20130176419 | APPARATUS AND METHOD FOR MANUALLY CONFIRMING ELECTRONICALLY STORED INFORMATION REGARDING A PIECE OF LUMBER - Provided are an apparatus and a method for manually confirming the accuracy of electronically stored information regarding a piece of lumber. | 07-11-2013 |
20130269836 | LUMBER EDGER AND METHOD OF EDGE CUTTING LUMBER - Provided is an improved lumber edger having a cross cut saw to cross cut lumber into two or more separate pieces to increase the available amount or value of boards, and a method of using the improved lumber edger. | 10-17-2013 |
20140048178 | SYSTEM AND METHOD FOR DOUBLE EVEN ENDING LUMBER - Provided are a system and method for cutting boards into two board pieces, even ending one of the board pieces at a first side while travelling transversely on a conveyor and even ending the other board piece at a second side of the conveyor. | 02-20-2014 |
Patent application number | Description | Published |
20090277400 | Rankine cycle heat recovery methods and devices - An integrated expansion turbine/electrical generator assembly (collectively referred to as a “turbo-generator”) suitable for use in waste heat recovery and similar applications. The turbo-generator uses a common shaft mounting a one or more stage expansion turbine and a homopolar electrical generator. Magnetic levitating axial and thrust bearings are used to hold the common shaft in its proper position with a fixed housing. The magnetic bearings minimize frictional losses, allowing the common shaft to spin at a very high rotational velocity. Sensor rings continually monitor the common shaft's position. This information is used by control electronics to regulate the magnetic bearings in order to hold the rotating shaft's position. Electrical energy is extracted from the rotating shaft in the form of a direct current. Preferably integrated power-switching electronics are used to generate single or three-phase AC power, which can be phase-matched to an existing power grid or other application. | 11-12-2009 |
20100147492 | IGBT cooling method - A method for cooling power electronic devices such as IGBT's. The method comprises placing the IGBT board in a containment structure and flooding the containment with circulating liquid refrigerant. The liquid refrigerant is boiled within the containment and the resulting gas is then removed for continued circulation within a heat engine. The phase change of the refrigerant provides excellent cooling properties. In addition, the ability to place the cooling medium directly over the IGBT's themselves represents a significant advantage. | 06-17-2010 |
20110038737 | MULTI-STAGE COMPRESSOR - A system and a method for adding and subtracting stages of compression to a compressor as and when the compressor requires them. If the compressor needs only a low pressure ratio, then the system and method allow the compressor to operate with only a primary pumping circuit spinning, while available additional stages, forming a secondary pumping circuit, and which may be required at other times when the needed pressure ratios increase, are decoupled from the rotating shaft, so that the compressor pumps at its most efficient and flexible point. Further, a system and method for adding and subtracting stages of compression to a compressor in order to increase and decrease the pumping capacity as and when required to satisfy a given load requirement. | 02-17-2011 |
20120111004 | MODULAR ENERGY HARVESTING SYSTEM - A modular energy harvesting system. The system preferably uses an organic Rankine cycle heat engine to recover energy from relatively low-temperature heat sources. The system is both modular and scalable. The components are preferably housed within shipping containers so that they may be easily transported by sea and over land. Two or more power harvesting modules may be assembled on a single site to increase the production capacity in a scalar fashion. Each of the integrated units preferably includes an oil-less turbine and motor. | 05-10-2012 |
20140060049 | Heat Engine Shuttle Pump System and Method - A heat engine including a novel method for transferring working fluid from the low pressure side of the cycle back to the high pressure side. The invention includes one or more transfer tanks connecting the condenser to the boiler. Each transfer tank is connected to the condenser by a fill line and connected to the boiler by a dump line. Gravity and/or small transfer pumps are used to transfer the working fluid horn the low pressure side, through the transfer tank or tanks, and then to the high pressure side. | 03-06-2014 |
20140368045 | Power Management and Energy Storage Method - A method for improving grid power quality despite the presence of rapidly changing loads and a rapidly changing supply. The inventive method includes an energy generation mode that is used when grid demand is relatively high and an energy storage mode that is used when the energy supply exceeds the grid demand. The method is able to rapidly switch between the two modes. In the energy storage mode some of the energy available from a source is transferred to a storage unit. In the energy generation mode, available energy and stored energy is transferred to the grid. | 12-18-2014 |