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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 8167577 | Fuel pump device A fuel pump device includes a fuel pump in which pressure-generating components in the form of a movable piston movable through a cylinder in the fuel pump together are operable to pressurize the fuel in a chamber exposed to the components to high pressure. To preve... | 05/01/2012 |
| 8157536 | Rotating speed adjustment circuit and related control system for a heat dissipation fan A rotating speed adjustment circuit for a heat dissipation fan includes a first node, a second node, a reception end for receiving a first control signal, a first resistor coupled to a voltage source and the first node, a second resistor coupled to the first node an... | 04/17/2012 |
| 8152475 | Method for controlling operation of a compressor In a method for controlling operation of a compressor, the compressor is shut off by a control device in order to prevent thermal damages when an estimated temperature value Ts calculated by said control device exceeds an upper threshold value Tmax | 04/10/2012 |
| 7927079 | Electrically operated hydraulic pump An electrically operated hydraulic pump having a pump portion and a motor portion includes rotation controlling means controlling rotation of a rotor, first rotor position detecting means detecting rotational position of the rotor on the basis of speed electromotive... | 04/19/2011 |
| 7568893 | Electric air pump for secondary air supply system When an air pump is operated, a brush temperature increase rate stored in an ECU in relation to a discharge pressure of the air pump and a brush temperature is multiplied by a calculation cycle time, and the resultant value is cumulatively added. When the air pump i... | 08/04/2009 |
| 7442014 | Fluid transfer system and method for transferring fluid A fluid transfer systems described herein. The fluid transfer system generally includes a centrifugal multistage pump, a holding tank for holding the fluid operably connected to the pump body via a first conduit, an inlet for receiving the fluid, wherein the fluid i... | 10/28/2008 |
| 7442012 | Speed control for compressors Improvements to a compressor which consists in that, as soon as the measured outlet temperature (TO) reaches a certain hysteresis upper temperature limit (HMAX), the actual rotational speed of the compressor element is either lowered with a speed jump (DS) when the ... | 10/28/2008 |
| 7421316 | Method and device for regulating fluid pump pressures A method is provided for regulating fluid pump pressures by detecting an elevation differential between a fluid flow control device and the distal end of a fluid line in communication with the fluid flow control device. A fluid flow control device, for instance a pe... | 09/02/2008 |
| 7417398 | Vacuum pump A vacuum pump includes at least one magnetic body located on a circle about a rotor rotational axis and having a Curie temperature within a rotor temperature monitoring range; an inductance detecting portion facing the circle so as to establish a gap between the cir... | 08/26/2008 |
| 7393185 | Fuel pump with automatic shutoff A pressure sensor subsystem measures the pressure within a fuel pump and outputs an under-pressure signal when the measured pressure is below a predetermined threshold pressure value. A temperature sensor subsystem measures the temperature within the fuel pump and o... | 07/01/2008 |
| RE40399 | Low charge protection vent A vent is included into a scroll compressor for protecting a refrigerant system in the event of loss of charge. The vent selectively taps an entrapped compression chamber to a housing chamber which surrounds the motor. In the event of a low charge, the gas in the co... | 06/24/2008 |
| 7362550 | Electric motor comprising a temperature monitoring device Disclosed is an electric motor comprising a temperature monitoring device which is provided with at least two temperature sensors that have different temperature characteristics and are connected to terminal clamps by means of electrical wires, whereby it is possibl... | 04/22/2008 |
| 7338265 | Scroll machine with single plate floating seal A scroll machine utilizes a floating seal to isolate pressurized fluid to provide axial biasing. The floating seal is designed as a single piece plate with inner and outer annular seals. The inner and outer annular seals can be U-shaped, V-shaped or L-shaped and eac... | 03/04/2008 |
| 7329103 | Cooling fan with built-in adjustable speed A cooling fan with built-in adjustable speed structure of the invention is provided herein. The cooling fan of the invention fan has built-in fan speed controlling parts installed inside, in addition, has a fan speed controlling interface, such as a knob or a keystr... | 02/12/2008 |
| 7322806 | Scroll compressor with externally installed thermostat A thermostat for sensing an unduly high temperature in a sealed compressor, which is a scroll compressor in the disclosed embodiment, extends through the housing of the sealed compressor into the body of a non-orbiting scroll. Since the thermostat extends through th... | 01/29/2008 |
| 7317296 | Electric motor The electric motor is equipped with an electronic control, for example in the form of a frequency converter (2) and comprises at least one Seebeck element (6) whose one side is connected to the motor (1) in a heat-conducting manner and whose oth... | 01/08/2008 |
| 7290989 | Compressor protection and diagnostic system A compressor assembly includes a shell, a compressor housed within the shell, and a motor drivingly connected to the compressor. In addition, a sensor assembly is provided for monitoring operating parameters of the compressor assembly. Processing circuitry, in commu... | 11/06/2007 |
| 7281912 | Compressor having a safety device being built in at least one of the screw plugs of the oil-separator A compressor is provided with an oil separator for separating part of the lubricating oil contained in the compressed refrigerant, path arrangement for connecting a separation chamber of the separator and a delivery port of the compressed refrigerant, the path arran... | 10/16/2007 |
| 7278834 | Compressor assemblies with improved mounting support and method of mounting such compressor assemblies A compressor assembly including a housing, a motor operatively linked to a compressor mechanism, a support structure, and a sheet of closed cell foam material. The motor and compressor mechanism are disposed within the housing. The housing, motor, and compressor mec... | 10/09/2007 |
| 7277289 | Resistor for controlling a fan motor rotating speed for use in an air conditioner Provided is a resistor for controlling a fan motor rotating speed for use in an air conditioner. The resistor comprises a base body, a radiator attached to a top portion of the base body, a printed resistor circuit board covered with insulating sheets and received w... | 10/02/2007 |
| 7219507 | Configurable, nonlinear fan control for system-optimized autonomous cooling Disclosed herein are methods and systems for controlling fan speed by approximating a nonlinear temperature control function activated within a given temperature control range. The temperature control range is divided into numerous linear segments each of which is a... | 05/22/2007 |
| 7212407 | Electrical power converter method and system employing multiple output converters A support may receive one or more power electronic circuits. The support may aid in removing heat from the circuits through fluid circulating through the support. The support, in conjunction with other packaging features may form a shield from both external EMI/RFI ... | 05/01/2007 |
| 7211977 | Pulse width modulation fan control In one embodiment, a fan control system includes a temperature-sensing device that is adapted to sense a temperature of a component and output a temperature feedback signal, and a pulse width modulation control circuit that is configured to receive the temperature f... | 05/01/2007 |
| 7201010 | Compressor control system for vehicle air conditioner In a compressor control system for a vehicle air conditioner, a hybrid ECU of the vehicle controls a rotation speed of a compressor electric motor. In this case, an output circuit, which outputs a driving signal for driving the compressor electric motor, only needs ... | 04/10/2007 |
| 7197890 | Valve for preventing unpowered reverse run at shutdown An inventive method of preventing unpowered reverse rotation in a compressor includes the steps of placing a solenoid valve at a location near compressor discharge. The valve is preferably actuated soon after the power to the motor is cut off, blocking the flow of r... | 04/03/2007 |
| 7191608 | Cooling apparatus There is provided a cooling apparatus which can prevent an abnormal increase in pressure of a high side at the time of starting. The cooling apparatus comprises: a refrigerant circuit which uses carbon dioxide as a refrigerant; and a control device which controls a ... | 03/20/2007 |
| 7188639 | Storage tank for easily polymerizable compound and method of storage A storage tank for an easily polymerizable compound has acceptance piping and delivery piping with a circulation line directly connecting the acceptance piping to the delivery piping or with circulation lines respectively connecting the acceptance piping to the stor... | 03/13/2007 |
| 7187548 | Power converter having improved fluid cooling A thermal support may receive one or more power electronic circuits. The support may aid in removing heat from the circuits through fluid circulating through the support, which may be controlled in a closed-loop manner. Interfacing between circuits, circuit mounting... | 03/06/2007 |
| 7187568 | Power converter having improved terminal structure A terminal structure for power electronics circuits reduces the need for a DC bus and thereby the incidence of parasitic inductance. The structure is secured to a support that may receive one or more power electronic circuits. The support may aid in removing heat fr... | 03/06/2007 |
| 7182583 | Electro-hydraulic power unit with a rotary cam hydraulic power unit An electro-hydraulic power unit is disclosed that includes a housing filled with hydraulic fluid. A hydraulic power unit is disposed within the housing, the power unit having a mechanical power shaft. Additionally, an electric machine is disposed within the housing ... | 02/27/2007 |
| 7177153 | Vehicle drive module having improved cooling configuration An electric vehicle drive includes a thermal support may receive one or more power electronic circuits. The support may aid in removing heat from the circuits through fluid circulating through the support. Power electronic circuits are thermally matched, such as bet... | 02/13/2007 |
| 7143116 | Method of controlling total disk usage amount in virtualized and unified network storage system A system includes at least a user and a file system connected to the user through a network. An estimated write size of a write operation of the user into the file system is managed as an accumulated value. The timing of judging the limit of the disk usage amount is... | 11/28/2006 |
| 7142434 | Vehicle drive module having improved EMI shielding EMI shielding in an electric vehicle drive is provided for power electronics circuits and the like via a direct-mount reference plane support and shielding structure. The thermal support may receive one or more power electronic circuits. The support may aid in remov... | 11/28/2006 |
| 7140382 | Water circulating system having thermostatically controlled bypass valve A water circulating system including a water control fixture having an operating valve and a thermostatically controlled bypass valve disposed in the fixture for bypassing water away from the fixture until the water temperature reaches a desired level. When pressuri... | 11/28/2006 |
| 7142125 | Fan monitoring for failure prediction A method for monitoring a fan comprises measuring power usage of the fan, determining a derivative of the measured fan power usage, tracking the derivative over time, and predicting impending fan failure based on the tracked fan power usage derivative. ... | 11/28/2006 |
| 7126821 | Ventilated casing for an electronic device The present invention provides a ventilated casing for an electronic device. The ventilated casing includes a housing which has a ventilation inlet and a ventilation outlet. The ventilated casing also includes a high speed fan for moving air from the ventilation inl... | 10/24/2006 |
| 7125230 | Valve with operation parameter set at assembly and pump using same A valve is assembled by telescoping a first body component relative to a second body component until reaching a relative position that corresponds to a predetermined valve operation parameter, such as a valve opening pressure. The first body component is then fixed ... | 10/24/2006 |
| 7114913 | Lubricant-cooled gas compressor In a lubricant-cooled gas compressor (10) the temperature of separated lubricant returned to the air-side (11) is monitored by a thermostatically controlled restrictor valve (22) which minimises the flow of returned lubricant when temperature is... | 10/03/2006 |
| 7095612 | Cooled electrical terminal assembly and device incorporating same A terminal structure provides interfacing with power electronics circuitry and external circuitry. The thermal support may receive one or more power electronic circuits. The support may aid in removing heat from the terminal structure and the circuits through fluid ... | 08/22/2006 |
| 7089955 | Recreational vehicle low temperature water supply warming system The present recreational vehicle water warming and circulating system uses the heated water in the water heater to heat the on-board water supply when the outside air temperature drops below the freezing point of water. The system includes a holding tank for contain... | 08/15/2006 |
