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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 8083467 | Apparatus and method for controlling a rotary machine using pressurized gas An apparatus and method for controlling rotating bladed machinery by using a source of pressurized gas is disclosed. The source of pressurized gas, such as air, imparts braking torque on a turbomachinery component through the use of one or more impinging orifices or... | 12/27/2011 |
| 8052373 | Multi-rotational crankshaft arrangement A control mechanism for moving at least two components of a gas turbine engine, the control mechanism comprises first and second crankshafts and a torsion bar connected to both crankshafts, each crankshaft is connected to a different component, the crankshafts engag... | 11/08/2011 |
| 7415376 | Valve tester control enhancements A valve tester system is disclosed that comprises a valve tester assembly for rotating a valve stem of a valve. The valve tester assembly may include a support, a rotation element mounted on the support for rotating a valve during a rotation event, a control element... | 08/19/2008 |
| 7322788 | Protection system for turbo machine and power generating equipment A limit switch 6 is placed on an end portion of the trip rod 4, which converts the mechanical deviation of the trip rod 4 into an electrical signal. The electrical signal from the limit switch 6 is transmitted to quick acting solenoid val... | 01/29/2008 |
| 7288850 | System and apparatus for emergency backup power generation An emergency backup power generation system includes a housing comprising a main body portion, a top cap, and a bottom cap. Inner and outer surfaces and the main body portion, the top cap, and the bottom cap define a generally hollow interior volume within the inner... | 10/30/2007 |
| 7238000 | Pneumatic high speed motor with pressure activated speed governor A pneumatic high speed motor includes a stator housing, a rotor journalled in the stator housing, and a pressure air inlet passage. A speed governor for the motor includes a valve element that is shiftable between an open position and a closed position for controlli... | 07/03/2007 |
| 7059820 | Noise control Methods, devices, and/or systems for controlling vibration and/or acoustic noise. An exemplary method senses noise and/or, for example, rotational speed of a rotating shaft, determines control parameters and actuates one or more actuators. An exemplary device includ... | 06/13/2006 |
| 6918739 | Seal support A turbine engine has a rotor shaft rotatably carried within a non-rotating support structure. A seal is carried by the support structure circumscribing the shaft and having a flexible sealing element for sealing with the shaft. A chamber is located between the seal ... | 07/19/2005 |
| 6918307 | Device, system and method for on-line monitoring of flow quantities Measures of a torque and rotational speed of a pump or fan are obtained, from which a mechanical input power can be calculated. By further using predetermined relations between mechanical input power and flow rate through the pump or fan, a measure of the flow rate ... | 07/19/2005 |
| 6905123 | Seals A gas seal for providing a seal between a pair of relatively rotatable components is provided with a stand-still seal which will seal between the components when the components are stationary, the stand-still seal having a sealing element mounted in sealing relation... | 06/14/2005 |
| 6883316 | Control system for a turbo-charged diesel aircraft engine In the control system for a turbo-charged diesel aircraft engine, a target value for a fuel injection amount is determined by the stroke of a throttle lever. A boost compensator determines the maximum limit for the fuel injection amount in accordance with the boost ... | 04/26/2005 |
| 6860712 | Control strategy for gas turbine engine A control strategy for a gas turbine engine which exchanges future lifetime of the engine for present thrust. Gas turbine engines, such as those used in aircraft, sometimes incur damage, as when they ingest birds, or are struck with ballistic objects fired by an ene... | 03/01/2005 |
| 6736593 | Protective device for a turbo molecular pump and method of protecting a turbo molecular pump A protective device is provided for protecting a turbo molecular pump having a rotor mounted for undergoing rotation, an intake port for sucking gas by rotation of the rotor, and an exhaust port for exhausting the gas sucked from the intake port. The protective devi... | 05/18/2004 |
| 6719523 | Method and apparatus for steam turbine speed control Steam turbine speed-control systems often incorporate pilot valves for the purpose of controlling the position of hydraulic actuators for steam valves. However, the operational efficiency of these pilot valves can suffer from imperfections due to manufacturing defec... | 04/13/2004 |
| 6602044 | Pump turbine, method of controlling thereof, and method of stopping thereof A pump turbine includes a runner connected to a generator motor, a water discharge controller for adjusting the quantity of water passing through the runner and a governor for detecting a rotational speed of the runner and controlling the water discharge ... | 08/05/2003 |
| 6543228 | Turbocharger having by-pass valve operable to promote rapid catalytic converter light off A turbocharger assembly has a housing (1) in which is formed a turbine volute inlet duct (4) having a butterfly valve (8) disposed therein and a bypass duct (6) which contains a swing valve (15), the valves being operable to control the flow of exhaust ga... | 04/08/2003 |
| 6250877 | Steam turbine controller having method and apparatus for providing variable frequency regulation In a preferred embodiment, the invention relates to a steam turbine having a speed-loop droop governor with two load-frequency error gains (droops). The first gain (fast change) may be a conventional high gain that is used for power loads that have a cons... | 06/26/2001 |
| 6155038 | Method and apparatus for use in control and compensation of clearances in a gas turbine A method and an apparatus for use with a gas turbine engine receive a signal indicative of an engine operating condition, generate signals representative of thermal conditions of a rotor, blades, and a case, and in response to each of the signals above, d... | 12/05/2000 |
| 6146088 | Process for the rotational driving of a turbine by means of an ejector device The method enables a turbine to be used at varying speeds and powers. An injector (15) is placed in a channel (3) downstream from a turbine (4); it creates a Venturi effect and converts pressure control into control of the mass flow rate of a mixed fluid.... | 11/14/2000 |
| 6065930 | Cooling control apparatus A cooling control apparatus controls a plurality of cooling members. The apparatus has a monitor which monitors states of predetermined combinations of the cooling members and a controller which controls the cooling members based on the states monitored b... | 05/23/2000 |
| 6027305 | Method and apparatus for reducing high-cycle fatigue and suppressing noise in rotating machinery A stator apparatus for mounting upstream of an intake to a rotating machine which blows pressurized air, or other media, from discharge orifices at a pressure and velocity to minimize velocity defects or turbulence in the wake of the stator prior to the p... | 02/22/2000 |
| 5967742 | Method and apparatus for preventing surge while taking a turbocompressor off-line from a parallel configuration The operation of quickly taking a turbocompressor off-line from a parallel configuration, of a gas pipeline compressor station, may encounter increased mechanical action (in particular, vibration) upon recycle piping and the additional risk of compressor ... | 10/19/1999 |
| 5553997 | Control method and apparatus for a centrifugal chiller using a variable speed impeller motor drive A method of controlling the operation of a centrifugal compressor in a water chiller system. The compressor's capacity is variable by modulating its speed of rotation or by modulating its inlet guide vane's position. The water chiller includes an evaporat... | 09/10/1996 |
| 5490759 | Magnetic damping system to limit blade tip vibrations in turbomachines A system that provides reliable blade damping with the capability to limit vibration in the blade tips to inconsequential amplitudes. A preferred embodiment of the invention comprises configurations of stationary electromagnets placed on a turboengine in ... | 02/13/1996 |
| 5452616 | System for determining shaft load parameters including shaft windup angle per unit length, torque output and power output in a generally cylindrical rotating shaft A system for determining shaft load parameters including shaft windup angle per unit length, torque output and power output in a generally cylindrical rotating shaft having an outer surface and a longitudinal axis extending through the center thereof incl... | 09/26/1995 |
| 5314299 | Speed governor for a pneumatic power tool A speed governor for a pneumatic power tool which comprises a housing (10) with pressure air supply means (16-18) and an air turbine (20) including a turbine wheel (22) drivingly coupled to an output spindle and a number of air nozzles (25) for directing ... | 05/24/1994 |
| 5295783 | System and method for regulating the speed of a steam turbine by controlling the turbine valve rack actuator A system and method for regulating the speed of a steam turbine by operating a steam valve rack assembly to adjust the flow of steam to the turbine by controlling the position of the turbine valve rack actuator in response to high pressure oil fed, reacti... | 03/22/1994 |
| 5234315 | Apparatus for preventing a turbine from exceeding revolution speed An apparatus comprises a first rotational speed detecting device provided on a stub shaft at a position closer to a turbine than a pump, a second revolution speed detecting device provided at the other end of the stub shaft, a comparator for continuously ... | 08/10/1993 |
| 5165845 | Controlling stall margin in a gas turbine engine during acceleration Stall margin in a gas turbine compressor is controlled during acceleration by synthesizing the thermal enlargement of critical compressor stages to synthesize the temporary increase in blade-case clearance during acceleration. The change in clearance is u... | 11/24/1992 |
| 5165844 | On-line stall margin adjustment in a gas turbine engine The deflection angle of a gas turbine stator is adjusted in proportion to the difference between two parameters computed from N2 and TT2 using the same function generator. One parameter is a reference adjustment under standard conditions for me... | 11/24/1992 |
| 5141389 | Control system for regulating the axial loading of a rotor of a fluid machine The axial forces imposed on a rotor of a fluid machine such as a compressor is controlled by modulating the pressure supplied to a piston and cylinder device acting between the rotor shaft and housing. A parameter indicative of axial force on the rotor du... | 08/25/1992 |
| 5002459 | Surge control system A surge control system for a compressor comprising a bypass passage controlled by a bypass valve to return flow to the compressor inlet for avoiding surge in the compressor. The bypass valve is controlled through a sensing of a compressor speed and flow. ... | 03/26/1991 |
| 4781525 | Flow measurement system Blood flow rate in a motor driven centrifugal blood pump is measured indirectly and non-invasively by sensing a first parameter representative of pump RPM and a second parameter representative of motor torque. The blood flow rate is computed as a function... | 11/01/1988 |
| 4753711 | Surge control system and method for dewatering press felts A surge control system for dewatering press felts on a papermaking machine which includes a suction pipe, a variable speed drive motor, a centrifugal exhauster driven by the variable speed drive motor and connected to the suction pipe to provide vacuum to... | 06/28/1988 |
| 4714401 | Governing mode change-over apparatus A governing mode change-over apparatus of a steam turbine comprising a switching arrangement between a throttle governing mode and a nozzle governing mode, and an arrangement for controlling a load by selectively subjecting one of the steam control valves... | 12/22/1987 |
| 4695221 | Turbine shutdown control system A turbine shutdown control system for controlling a turbine powering two load groups. Upon loss of one load group, a first control valve will close to interrupt the fluid flow to the turbine. A second modulating valve in parallel with the first valve rema... | 09/22/1987 |
| 4687410 | Torque limiter for prime mover A control system for a steam turbine which system includes apparatus for adjusting steam flow to regulate turbine shaft speed and a transducer for providing signals indicative of turbine shaft speed, is provided with a feedback control system which modifi... | 08/18/1987 |
| 4551202 | Vacuum control system and method for dewatering fabrics A vacuum control system and method for dewatering felts or fabrics on a papermaking machine including a suction pipe and a centrifugal exhauster connected to the suction pipe to supply a variable vacuum level. The fabric is passed over a slot in the sucti... | 11/05/1985 |
| 4487549 | Apparatus for controlling operation of hydraulic machine An apparatus for controlling the operation of a hydraulic machine such as a multi-stage pump turbine having a plurality of runners mounted on a common shaft and guide vanes arranged around respective runners to adjust the flow rate of water supplied to re... | 12/11/1984 |
| 4408951 | Fluid driven engine A speed governor for engines which comprises a rotary hollow shaft receiving exhaust fluid at one end, a conduit and nozzle assembly connected at the other end of the rotary hollow shaft and including a needle valve, a turbine housing in which at least on... | 10/11/1983 |
