"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 7347385 | Fuel injection device with a 3-way control valve for configuring the injection process A fuel injection device for internal combustion engines, having a control valve located between high-pressure and low-pressure sides and which opens or blocks the communication of a control chamber with the low-pressure side, and an outlet throttle located between t... | 03/25/2008 |
| 7029624 | High-speed fabrication of highly uniform metallic microspheres In a high-speed fabrication process for producing highly uniform metallic microspheres, a molten metal is passed through a small orifice, producing a stream of molten metal therefrom. A series of molten metal droplets forms from the break up of the capillary stream.... | 04/18/2006 |
| 6974093 | Fuel injection device A fuel injection device has an actuator, and a displacement amplification chamber for amplifying the amount of displacement of the actuator. The displacement amplification chamber is connected to a fuel passage via a replenishment fuel passage that has a check valve... | 12/13/2005 |
| 6887013 | Device for treating soils or road surfaces A device for treating soils or road surfaces includes a machine frame (1) carrying a working roll (4) in a working roll housing (8) defining a working space (6). The roll housing (8) is provided with a spraying mechanism (10... | 05/03/2005 |
| 6732948 | Fuel injector A fuel injector for use in an injector arrangement including a pumping plunger, a pump chamber and a spill valve arrangement controlling communication between the pump chamber and a low pressure fuel reservoir. The fuel injector comprises a valve needle which is eng... | 05/11/2004 |
| 6589595 | Method and apparatus for preventing asphalt from sticking to paving equipment A method of preventing tar, asphalt and related material from sticking to paving equipment involves spraying a release agent concentrate diluted with water contemporaneously with spraying, utilizing a carbonator pump capable of about 1 gallon per minute p... | 07/08/2003 |
| 6581694 | Method and system for controlling the supply of nitrogen to electrical power handling equipment A system that controls nitrogen pressure in the ullage of a power transformer that has its windings submerged in oil. The pressure is controlled in a narrow range of approximately 0.5 psi to approximately 2.0 psi. A nitrogen generator supplies the nitroge... | 06/24/2003 |
| 6509425 | Process for introducing a liquid in a fluidized bed Process for the introduction of liquid into a continuous process for the gas-phase polymerization of a olefin monomer and one or more other alpha-olefins in a fluidized-bed reactor, the liquid being introduced by at least one nozzle having a feed pipe and... | 01/21/2003 |
| 6240897 | Fuel injection valve with a movable valve seat A fuel injection valve designed for low pressure fuel injection system of internal combustion engines includes a valve needle and a movable valve seat and installs directly on a cylinder head. When the pressure of the cylinder increases, the valve seat ca... | 06/05/2001 |
| 6149072 | Droplet selection systems and methods for freeform fabrication of three-dimensional objects An improved system for forming a three-dimensional object by selective deposition of a forming material includes a crucible for holding a reservoir of the forming material, an orifice disposed in the bottom of the crucible through which the forming materi... | 11/21/2000 |
| 6109540 | Outwardly opening nozzle valve for a fuel injector A fuel injector comprises an injector body which defines a nozzle chamber that is separated from a plurality of outlet orifices by a conical valve seat. An outwardly opening valve member, which is at least partially positioned in the injector body, includ... | 08/29/2000 |
| 6000628 | Fuel injector having differential piston for pressurizing fuel A fuel injector includes a housing having a differential piston surrounded by a coil, the differential piston carrying and surrounding an armature carrying a needle valve element. The valve seat for the needle valve is carried for movement with the differ... | 12/14/1999 |
| 5637815 | Nozzle for fluidized bed mixing/dispersing arrangement A nozzle is formed of reaction sintered silicon carbide consisting essentially of silicon carbide and unreacted metallic silicon and having a density of 3.03-3.16 g/cm3. The nozzle satisfies the requirements of heat, wear, corrosion and chemica... | 06/10/1997 |
| 5499603 | Liquid injection system for internal combustion engine A liquid injection system for internal combustion engines has a simplified pumping system, with a vacuum driven pump, assisted by an electrically driven booster pump. The liquid is delivered to the engine manifold by way of a spray nozzle incorporating an... | 03/19/1996 |
| 5484104 | Fuel injector pressurized by engine cylinder compression A fuel injector is actuated by cylinder compression pressure acting against the exposed face (31) of piston means (30, 35) to compress fuel in high pressure chamber (45) in injector body (10). The piston means (30, 35) moves against spring (36) and contro... | 01/16/1996 |
| 5109810 | Two cycle internal combustion hydrocycle engine A two-cycle internal combustion engine includes two opposed pistons reciprocatable within a cylinder, between which an air-fuel mixture is injected and ignited. One of the pistons, a compression piston, is connected to a rotatable flywheel for storing ene... | 05/05/1992 |
| 4955340 | Electronic controller for compression-actuated fuel injector system In an internal combustion engine with combustion chambers (CC'S) (538), a fuel injector (FI) comprising an outer shell (628) containing a fuel supply cavity (FSC) (530) having an openable valve (546) for storing fuel, a control body assembly (CBA) (520) w... | 09/11/1990 |
| 4911123 | Electronic controller for compression actuated fuel injection system In an unthrottled fuel injection type internal combustion engine, a controlled injection logic to generate a first pulse train whose frequency varies with the accelerator position, N cylinder chambers (CCH's) 11, FIG. 1 ), each with a piston, and a distri... | 03/27/1990 |
| 4776516 | Air-assist fuel injection nozzle An air-assist fuel injection nozzle has an externally actuated plunger journaled for axial movement in the cylinder provided in a nozzle body. The plunger tip contains a central stepped bore which slidably supports a spring bias injection needle valve the... | 10/11/1988 |
| 4700678 | Fuel injector An injector (10) for delivering fuel directly into an engine combustion chamber (11) in response to compression within the combustion chamber (11). The injector (10) has a housing (14) with an injector rod (22) slidably mounted within housing (14). Secure... | 10/20/1987 |
| 4693420 | Air-assist fuel injection nozzle An air-assist fuel injection nozzle has an externally actuated needle plunger journaled for axial movement in the cylinder provided in a nozzle body. The needle plunger tip contains a central blind bore which communicates with discharge passages and with ... | 09/15/1987 |
| 4687136 | Gas injection valve for gas engine A gas injection valve of a gas engine includes a valve body having a nozzle chamber with nozzle holes for injecting fuel gas, a first gas passage for introducing fuel gas, and a second gas passage communicable at one end to the first gas passage and at th... | 08/18/1987 |
| 4630774 | Foam generating nozzle A foam generating nozzle is provided for converting a liquid containing a gas maintained under pressure in solution in the liquid, to a foam for application to a substrate. Complete foaming of the solution is accomplished prior to discharge from the nozzl... | 12/23/1986 |
| 4599983 | Method and apparatus for injecting fuel for a diesel engine Improved method and apparatus for injecting fuel for a diesel engine are disclosed which are constructed such that a push rod is disposed in a nozzle body and fuel is injected into a combustion chamber by actuating the push rod. The improvement of the inv... | 07/15/1986 |
| 4427151 | Fuel injector An injector for delivering fuel directly to an engine combustion chamber has a sleeve which responds to the combustion chamber pressure and cooperates with a piston in the injector to pressurize the fuel. A single valve in the injector is controlled both ... | 01/24/1984 |
| 4394856 | Compression operated injector with fuel injection control A compression operated diesel fuel injector, for use with an internal combustion engine, is provided with a compression operated piston that is associated with a pump cylinder and plunger to effect pressurization of fuel for discharge from the injector, t... | 07/26/1983 |
| 4327688 | Cylinder pressure control of fluid injection in an internal combustion engine Certain reciprocating piston internal combustion engines have liquid oxidant and liquid fuel injection schedules that are controlled by a microprocessor that acts upon pre-stored data and upon engine sensor output data. For these engines, the present inve... | 05/04/1982 |
| 4306680 | Compression operated injector A compression operated injector for delivering fuel directly to the combustion chamber of an engine has a piston which responds to the pressure in the combustion chamber and cooperates with a stepped plunger in the injector to pressurize fuel in both a co... | 12/22/1981 |
| 4247044 | Compression operated injector In a compression operated injector, a solenoid valve is used to control the flow of pressurized fuel from a compression operated pump to the discharge nozzle of the injector so that the start and end of injection can be controlled by operation of the sole... | 01/27/1981 |
| 4244342 | Fuel injection system A fuel injection system for supplying fuel to an internal combustion engine includes a piston slidable within a cylinder, the piston being subjected to the pressure of air within the engine cylinder during the compression stroke. Displacement of the pisto... | 01/13/1981 |
| 4197996 | Constant pressure fuel injector assembly FIG. 1 shows a fuel injector having a valve 54 that closes an outlet 50 in a housing 10 by means of a spring 22, excitation of a magnet 14 opening the valve; the injector has a toroidal chamber 62 containing an annular piston 66 subject to combustion cham... | 04/15/1980 |
| 4138972 | Fuel injection means for internal combustion engines The subject fuel injection means, disclosed herein with one of various types of internal combustion engines with which it may be employed, comprises a fuel pumping plunger, the pumping stroke of which is controlled by an inclined surface of a manually ope... | 02/13/1979 |
| 4082067 | Automatic fuel heating injection valve An automatic fuel heating injection valve to be mounted in a combustion chamber of an internal combustion engine. The valve has a fuel evaporating chamber which is communicable with the combustion chamber through a fuel injecting port, a stem valve openin... | 04/04/1978 |
| 4062327 | Internal combustion engine The present invention is concerned with apparatus for the introduction of fluids into the inlet gas stream of an internal combustion engine whereby variations in pressure in a combustion chamber control the fluid injected into the inlet gas stream. Pressu... | 12/13/1977 |
| 3981286 | Method and apparatus for forming and burning a fuel-air-mixture in an air-compressing piston internal combustion engine A method for forming and burning a fuel-air-mixture in an air compressing piston type internal type combustion engine. At least a portion of the air compressed in the combustion space of the working cylinder is tapped off. The tapped off portion is passed... | 09/21/1976 |
| 3970054 | Internal combustion engine fed with a stratified double charge An internal-combustion engine fed with a stratified charge and comprising an inlet leading into a combustion chamber for feeding thereinto a main charge of a lean mixture of a first fuel and air, and an injection device for injecting a second fuel into an... | 07/20/1976 |
| 3958545 | Fuel injectors A fuel injector for an internal combustion engine having a combustion chamber provided with a pressure outlet bore and an unalined fuel inlet bore and which is characterized by a high pressure injecting mechanism at the junction of the chamber with the fu... | 05/25/1976 |