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| Number | Title | Issue Date |
| 7441753 | Carburetor A carburetor includes a base, a Venturi cone assembly, a cam assembly, a horsepower adjustment assembly, and a vacuum horsepower adjustment valve. The Venturi cone assembly is mounted in the base. A supporting portion of a cone collides with a cam of the cam assembl... | 10/28/2008 |
| 7374155 | Diaphragm carburetor and method of assembly A diaphragm carburetor for an internal combustion engine and method of assembly includes attaching an air-fuel mixing body to a fuel metering chamber assembly independent from assembling the fuel metering chamber assembly. The fuel metering chamber assembly has an u... | 05/20/2008 |
| 7309061 | Diaphragm-type carburetors The carburetor prevents an air-fuel mixture from becoming excessively lean and prevents a fuel pressure from becoming unstable, thereby making it possible to stably supply a fuel to an engine, in a diaphragm-type carburetor with a pressure regulator. A diaphragm-typ... | 12/18/2007 |
| 7284389 | Two-fluid spray cooling system A cooling system including a housing forming a cooling chamber containing the component submerged in a pool of alcohol, oil or glycerine, a sprayer configured to spray water at the component through the oil or glycerine, and a heat exchanger configured to cool the o... | 10/23/2007 |
| 7264230 | Carburetor and solenoid assemblies and methods of assembling the same An engine carburetor and a solenoid valve assembly therefor and methods of assembling the same. The carburetor has a body with a fuel and air mixing passage communicating with an air bleed passage. A cavity extends into the body for communication with the air bleed ... | 09/04/2007 |
| 7185736 | Aerodynamic noise abatement device and method for air-cooled condensing systems The noise abatement device and method described herein makes known an apparatus and method for reducing the aerodynamic resistance presented by a fluid pressure reduction device in a large duct. More specifically, a noise abatement device is disclosed having at leas... | 03/06/2007 |
| 7175164 | Method and apparatus for an oval carbonator A method and corresponding apparatus for an oval carbonator employ an oblong housing to provide an improved gas/water interaction area within the confines of the carbonator. The increased cross sectional area provides a larger water surface area, whereby an increase... | 02/13/2007 |
| 7028993 | Charge forming apparatus A charge forming apparatus for delivering a controlled mixture of fuel-and-air to an engine has a butterfly-type throttle-choke valve disposed in a fuel-and-air mixing passage. Incoming air flowing through a downstream primary venturi of the mixing passage creates a... | 04/18/2006 |
| 7025337 | Method for maintaining a constant level of fluid in a liquid vapor delivery system A method for controlling the delivery of vapor from a bubbler containing a supply of chemical fluid through which a carrier gas is bubbled and from which bubbler vapors are delivered in a vapor stream entrained with the carrier gas. In general, the method involves e... | 04/11/2006 |
| 6919000 | Diffusion driven desalination apparatus and process A diffusion driven desalination apparatus and related method includes structure for receiving a heated water stream and creating at least one region having a thin film of water and structure for forcing a low humidity air stream over the thin film of water, wherein ... | 07/19/2005 |
| 6913250 | Carburetor arrangement A carburetor arrangement for an internal combustion engine in a manually guided implement, such as a power chainsaw, a cut-off machine, etc. is provided. A regulating chamber delimited by a regulating diaphragm is provided. Upon deflection of the diaphragm due to un... | 07/05/2005 |
| 6786208 | Boost fuel enricher The boost fuel enricher is used with internal combustion engines, either carbureted or fuel-injected, that are equipped with compressors, i.e., turbocharged or supercharged, in order to enrich the air/fuel ratio when the engine is under boost. The boost fuel enriche... | 09/07/2004 |
| 6715737 | Fuel metering system for a carburetor A fuel metering system for a combustion engine carburetor utilizes a non-convoluted, planar, flexible diaphragm which does not require a molding process to form a traditional convolution. The diaphragm defines in part a pressure controlled fuel metering chamber on o... | 04/06/2004 |
| 6595500 | Membrane carburetor A membrane carburetor for an internal combustion engine in a portable handheld work apparatus includes a control chamber (3) delimited by a membrane (2). The control chamber (3) is connected via a feed line (4) to a fuel tank (5). The feed line (4) is cle... | 07/22/2003 |
| 6520488 | High performance power valve for a carburetor A high performance power valve for a carburetor. The valve is operated by engine manifold vacuum. A housing is provided having an annular flange portion through which extend rectangular outlet apertures for conducting fuel received from a tubular aperture... | 02/18/2003 |
| 6517057 | Supply system for transferring a fluid to a container A supply system for feeding a fluid to a vessel (1) is described, which is provided with a feedline (10), having a reservoir which is filled with the fluid and a compressed-gas store (14) which can be brought into communication with this reservoir (13), i... | 02/11/2003 |
| 6446939 | Modular diaphragm carburetor A modular diaphragm carburetor is provided which has a plurality of plates each with generally planar faces adapted to be mated and releasably connected together to facilitate manufacturing and assembling the carburetor and to permit various plates and co... | 09/10/2002 |
| 6439546 | Carburetor with fuel vapor control A carburetor having a plurality of restricted fluid flow paths upstream of a fuel and air mixing passage to inhibit the passage of large fuel vapor bubbles through the fuel paths and to the fuel and air mixing passage. Desirably, the restricted flow paths... | 08/27/2002 |
| 6425573 | Carburetor with vapor purge pump A membrane fuel pump (A) is driven by the pulsating pressure of intake air of an engine. Fuel in the fuel tank (80) is supplied to a constant-pressure fuel chamber (30) through valve (22), and further to an intake passage through a fuel nozzle (16). A mem... | 07/30/2002 |
| 6406006 | Automated humidification systems and methods for their use Improved systems and methods for the hydration of environments such as display cases, walk-in storage rooms, greenhouses and large-scale storage facilities are provided. Consistent humidification is provided while effectively eliminating the problem of wa... | 06/18/2002 |
| 6394424 | Carburetor with diaphragm type fuel pump For a four-stroke engine, a carburetor with a fuel pump diaphragm which defines a fuel pump chamber on one side and a pressure pulse chamber on its other side in communication with the engine to receive pressure pulses which actuate the fuel pump diaphrag... | 05/28/2002 |
| 6354571 | Membrane carburetor A membrane carburetor (1) for an internal combustion engine includes a control chamber (2) delimited by a membrane. The control chamber (2) is connected via a feed line (8) to a fuel tank (9). The feed line (8) is cleared with the deflection of the membra... | 03/12/2002 |
| 6168139 | Air flow activated control unit for a furnace An air flow activated humidifier for use in a ventilation system comprising a water evaporating means, displacing means engageable by the air flow of said ventilation system for displacing said water evaporating means, and activating means operably associ... | 01/02/2001 |
| 6149139 | Membrane carburetor for a portable handheld work apparatus The invention relates to a membrane carburetor for an internal combustion engine in a portable handheld work apparatus such as a motor-driven chain saw. A throttle flap is arranged in the intake channel for the combustion air. The throttle flap is pivotal... | 11/21/2000 |
| 6149137 | Method and apparatus for quenching hot flue gases A quench system for cooling hot flue gases from combustion systems is disclosed. The quench system includes a venturi mounted in a quench vessel. The water level in the quench vessel may be raised or lowered in accordance with the flow rate of the gases t... | 11/21/2000 |
| 6142454 | Diaphragm carburetor A diaphragm carburetor having a carburetor casing defining a mixing passage. A measuring chamber is disposed in the carburetor casing and is partitioned into a fuel chamber and a compensation chamber separated by a control diaphragm. The compensating cham... | 11/07/2000 |
| 6138994 | Foam generating apparatus Apparatus for generating foam for use in fire fighting having two plates housed in a chamber which respectively introduce pressurized air and a water/surfactant solution between the two plates where foam is generated and emitted from an aperture on the si... | 10/31/2000 |
| 6131890 | Diaphragm carburetor system A diaphragm carburetor system includes a diaphragm-controlled closed-loop control chamber for fuel communicating through a number of fuel conduits with an aspiration conduit for air. All of the fuel conduits extend separately from one another over their e... | 10/17/2000 |
| 6126149 | Dynamic pressure shield for carburetor vent system A fitting is installed on the vent system of a carburetor to shield the last opening of the vent system from dynamic pressures caused by wind currents around this opening. This fitting in its simplest form is a plastic tubing "T", which is installed in th... | 10/03/2000 |
| 6123322 | Single screw carburetor A carburetor having an idle nozzle and a main nozzle each with a fixed flow area and an idle speed single adjustment screw adjustable by the user. The idle and high speed fuel flows are controlled by the idle nozzle and the main nozzle, respectively. The ... | 09/26/2000 |
| 6092793 | Constant vacuum type carburetor A vacuum actuated valve for a constant vacuum type carburetor is formed with a first guide hole, a jet needle engaging step portion and a jet needle insertion hole therein. A spring seat has an outer cylindrical portion in an upper portion thereof, and an... | 07/25/2000 |
| 6065739 | Diaphragm carburetor for an internal combustion engine of a hand-held working tool A diaphragm carburetor for an internal combustion engine of a portable hand-held working tool has a housing with a control chamber. A suction channel extends through the housing and has a venturi section. An inlet valve is connected to the control chamber... | 05/23/2000 |
| 6042088 | Changeable venturi carburetor including a cold start and high loading auxiliary fuel duct A changeable Venturi carburetor includes an auxiliary fuel which has a vacuum valve and a temperature delay vacuum valve. The vacuum valve has a third air nozzle connecting with a second air nozzle in the temperature delay vacuum which further has a first... | 03/28/2000 |
| 5988602 | Variable venturi carburetor A variable venturi carburetor, which is part of an intake system of an internal combustion engine, includes structural features which allow an air intake path of the carburetor to be shortened, and which allow the size of air chambers of the carburetor to... | 11/23/1999 |
| 5925291 | Method and apparatus for high-efficiency direct contact condensation A direct contact condenser having a downward vapor flow chamber and an upward vapor flow chamber, wherein each of the vapor flow chambers includes a plurality of cooling liquid supplying pipes and a vapor-liquid contact medium disposed thereunder to facil... | 07/20/1999 |
| 5879595 | Carburetor internal vent and fuel regulation assembly An internal vent system contains a pressure sensing orifice located in a carburetor main bore or an auxiliary bore. In one embodiment, this orifice is moved thereby sensing different combinations of total and static pressure of the moving gas stream in wh... | 03/09/1999 |
| 5176855 | Liquid fuel system with tilt valve An improved carburetor uses a butterfly air valve having a controlled air pressure difference across it and positions a tilt valve, proportionally to feed the liquid fuel with a predetermined pressure difference across the fuel valve and the metered fuel ... | 01/05/1993 |
| 4933116 | Power valve shield A device for preventing damage to the carburetor power valve during engine backfire conditions. The device, which comprises an internal one-way valve and is threaded at one end, is used to replace a throttle body mounting screw on the bottom of the carbur... | 06/12/1990 |
| 4893604 | Fuel system for internal combustion engine A fuel system for an internal combustion spark ignition engine (27) is provided with a unit (14) for pre-mixing liquid fuel with a part of the total air charge, a spray nozzle (43 117) through which the mixed air/fuel is passed, a heat exchanger (48 102) ... | 01/16/1990 |
| 4781165 | Internal combustion engine pollutant control system A carburetion system for an internal combustion engine includes a fuel heater and vaporizer unit which produces a 30% liquid/70% vapor fuel mixture for delivery to the carburetor, and a flow control valve connected to be responsive to the ported vacuum pr... | 11/01/1988 |
