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| Number | Title | Issue Date |
| 7016466 | Automatic x-ray detection for intra-oral dental x-ray imaging apparatus An apparatus and method used in intra-oral dental x-ray imaging equipment provides automatic detection of the x-ray emission in order to obtain timely transition to the image integration and acquisition phase with high level of rejection of false triggering induced ... | 03/21/2006 |
| 6958766 | Dental video imaging system A dental video imaging system includes a housing having a handle portion and a distal end portion. The distal end portion has a view port for viewing intra- and extra-oral dental anatomy. An optical system is mounted in the distal end of the housing for acquiring, o... | 10/25/2005 |
| 6945694 | Dental X-ray apparatus A dental x-ray apparatus (10) includes a tube head (11) formed from a cast zinc material. Structural components of tube head (11) include such component (20) formed from a plastic material impregnated with a high molecular weight substanc... | 09/20/2005 |
| 6910349 | Suction connection for dual centrifugal compressor refrigeration systems A dual centrifugal compressor refrigeration system has one evaporator for both compressors. The evaporator provides the centrifugal compressors with refrigerant vapor through separate suction connections for each compressor. Each suction connection has a protrusion ... | 06/28/2005 |
| 6880360 | Compressor systems for use with smokeless lubricant A compression system including a compressor driven by a motor, an optional accumulator, a liquid/gas separator, heat exchangers in the form of a condenser and an evaporator, expansion valves and conduit in the form of piping to connect these components together. The... | 04/19/2005 |
| 6872050 | Variable geometry diffuser mechanism A system for preventing stall in a centrifugal compressor. The compressor includes an impeller rotatably mounted in a housing and a nozzle base plate fixed to the housing adjacent the impeller. The nozzle base plate cooperates with the housing to define a diffuser g... | 03/29/2005 |
| 6857845 | System and method for detecting rotating stall in a centrifugal compressor A system and method is provided for detecting and controlling rotating stall in the diffuser region of a centrifugal compressor. The process begins with the detection or sensing of acoustic energy associated with the onset of rotating stall. A pressure transducer is... | 02/22/2005 |
| 6848495 | Method of manufacturing a laminated rotor A method of assembling and manufacturing a laminated rotor is provided which uses laminations having a thin bridge thickness. Different techniques are provided for preventing the molten material used in the casting or injection molding operation from leaking or seep... | 02/01/2005 |
| 6840746 | Resistive suction muffler for refrigerant compressors A resistive muffler attenuates sound generated by the gas intake and suction valve during compressor operation of a refrigerant compressor. The resistive muffler is assembled inline with the suction gas flow of the compressor and is positioned within the compressor ... | 01/11/2005 |
| 6816770 | Direction and speed control device for a motor vehicle A direction and speed control device includes a casing, a sensing unit, and a magnet assembly. The sensing unit includes a magnetic sensor. The magnet assembly includes a pivot axle that is mounted rotatably on the casing and that has a magnet carrying portion exten... | 11/09/2004 |
| 6781342 | System and method for soft starting a three phase motor A three phase motor starting system is provided to reduce the in-rush current to the motor in order to obtain a soft start of the motor. The soft start of the motor equates to reduced impact forces on motor parts and device components connected to the motor during s... | 08/24/2004 |
| 6779594 | Heat exchanger assembly with enhanced heat transfer characteristics A heat exchanger assembly for use in an HVAC system is provided. The heat exchanger assembly includes: a shell-type casing; a plurality of tubes located inside the shell-type casing, each of the tubes having an outer surface and an irregular inner surface; and a plu... | 08/24/2004 |
| 6772664 | Vertical band saw machine with a sawdust collecting mechanism A vertical band saw machine includes an endless band saw trained on a lower blade mounting pulley which is driven by an output shaft of a motor for sawing a workpiece placed on a worktable. A sawdust collecting member is mounted on a lower support below the worktabl... | 08/10/2004 |
| 6772599 | Stability control system and method for compressors operating in parallel A control system is provided to maintain stable operating conditions for centrifugal compressors operating in parallel when one of the centrifugal compressors enters into an unstable operating condition. The control system determines an unstable operating condition ... | 08/10/2004 |
| 6761343 | Single-piece motor mount A motor mount constructed from a single piece of sheet metal. The motor mount contains a band portion and at least three leg portions. The band portion clamps around a motor and the leg portions radiate from the band portion. The leg portions secure the motor to a h... | 07/13/2004 |
| 6744061 | System and method for sensing movement in a compressor system A probe is used to detect axial movement of a rotating part such as a shaft. The probe includes a probe tube portion that protrudes into an annular groove on the rotating part. When the rotating part moves axially, one or the other side surfaces of the groove contac... | 06/01/2004 |
| 6708905 | Supersonic injector for gaseous fuel engine A nozzle for delivering fuel to an engine is disclosed which is profiled with adjoining converging and diverging sections to accelerate the flow of fuel to a supersonic rate. ... | 03/23/2004 |
| 6708519 | Accumulator with internal desiccant A compression device for use in a HVAC&R system that includes a compressor for compressing vaporized refrigerant having a compressor inlet and compressor outlet for directing compressed refrigerant downstream along a first conduit to a condenser. An accumulator is p... | 03/23/2004 |
| 6701223 | Method and apparatus for determining optimal control settings of a pipeline Pipelines are controlled by specifying operations along them. Control specifies sequential control values defining operations at each station to control the pipeline state. The time-dependent state is determinable by software calculations using continuous... | 03/02/2004 |
| 6670026 | Ceramic matrix composite turbine components A method for producing apertures in hot section components of gas turbine engines made from ceramic matrix composites that have at least one oxidizable component. The method involves forming the apertures using a laser beam controlled by parameters that a... | 12/30/2003 |
| 6657217 | Probe for sensing movement in a compressor system A probe is used to detect axial movement of a rotating part such as a shaft. The probe includes a probe tube portion that protrudes into an annular groove on the rotating part. When the rotating part moves axially, one or the other side surfaces of the gr... | 12/02/2003 |
| 6646191 | Tension top guitar A stringed instrument is provided wherein a generally thin soundboard is stretched across a frame, keeping the weight away from the soundboard area that needs to vibrate, without muffling the tone. In a preferred form, a neck, or neck extension, reaches s... | 11/11/2003 |
| 6634422 | Method for controlling an economizer A method of controlling an economizer is provided. A heating, ventilating, and air conditioning unit is operated in one of a heating mode and a cooling mode to provide conditioned air to a plurality of zones. A first temperature representative of air retu... | 10/21/2003 |
| 6616416 | Methods and system for motor optimization using capacitance and/or voltage adjustments A system and method for controlling a variable capacity compressor driven by a motor. Preferably, said system and method are used with a reversible, two-stage compressor motor. In one embodiment, the method includes, for example, operating the variable ca... | 09/09/2003 |
| 6602094 | Electrical cable connector An electrical cable connector includes a socket body having two opposite side faces, each of which is formed with a first retaining recess that extends in a longitudinal direction, and a second retaining recess that extends in a transverse direction relat... | 08/05/2003 |
| 6601525 | Incinerator with an ash control unit An incinerator includes a furnace with a supporting plate that defines a combustion chamber thereabove and an ash receiving chamber therebelow in the furnace. An ash control unit includes a partitioning member that divides the ash receiving chamber into u... | 08/05/2003 |
| 6575392 | Fly fishing reel with a sealing member A fly fishing reel includes a casing having two opposite ends and a peripheral wall extending between and cooperating with the opposite ends to confine an inner space thereamong. A spool is mounted rotatably in the casing and has two opposite flange porti... | 06/10/2003 |
| 6243433 | Cladding for use in nuclear reactors having improved resistance to stress corrosion cracking and corrosion An improved fuel element for use in a nuclear reactor comprised of a central core of nuclear material, which is surrounded by a composite cladding. The cladding has an outer metallic tubular portion comprised of well-known cladding alloys used for such pu... | 06/05/2001 |
| 6238310 | Tracker arrow A hunting arrow having an elastomeric device attached to the inside of the hollow shaft of the hunting arrow is used for the tracking of game animals that have been struck with the hunting arrow. The elastomeric device attached to the inside of the hollow... | 05/29/2001 |
