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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 8430379 | Apparatus for dispensing fog An apparatus for dispensing fog by means of continually discharging water particles for humidification, sanitation, and dust suppression. The apparatus provides the user a device that utilizes pressurized gases for the de-correlation of water to generate and dispens... | 04/30/2013 |
| 8231110 | Retrofit roll-over valve for carburetor float bowl vent tube A roll-over valve attaches over an existing carburetor float bowl vent tube and closes when a car is involved in a crash to prevent or reduce fuel from escaping from a tilted or inverted carburetor and starting a fire. Carburetors are used in many special interest c... | 07/31/2012 |
| 7722016 | Float for humidification chamber A float for a humidification chamber has formed-in-place conformable seal, which may be accomplished by overmolding a thermoplastic elastomeric material to the float. The float may be comprised of sections sealingly joined together at an elevation above the water le... | 05/25/2010 |
| 7398962 | Quick jet change fuel float bowl Replacement of the fuel metering jets of an internal combustion engine carburetor, such as a Holley.RTM. or Demon.RTM. Carburetor is greatly simplified by fuel float bowls which permit the jets to face upward. The jets are removed through access holes in the upper w... | 07/15/2008 |
| 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 |
| 7182321 | Safety device for a humidifier The present invention is directed to control method for supplying water in a humidifier. In a conventional humidifier, when the water level in the base of the humidifier is lowered to the ON/OFF critical region, with the vibration of the water level, the floating ba... | 02/27/2007 |
| 7152852 | Priming system for a float bowl carburetor A float bowl type carburetor has a fuel and air mixing passage extending therethrough, a float bowl assembly, a priming pump communicated with the float bowl assembly and a fuel supply pipe that is communicates fuel in the float bowl assembly with the fuel and air m... | 12/26/2006 |
| 7152469 | Fluid flow sensor, method and system A fluid flow sensor, a method of detecting flow/no flow and flow systems employing same are provided. In one embodiment, an infrared light emitting diode (“LED”), phototransistor, rigid housing and a flexible opaque diaphragm are used. The diaphragm opens upon a... | 12/26/2006 |
| 7146979 | Humidifier with parallel gas flow paths A humidifier and humidity sensor is disclosed for use with a breathing assistance apparatus. The humidity sensor preferably includes means to sense absolute humidity, relative humidity and/or temperature at both the patient end and humidifier end. The humidifier may... | 12/12/2006 |
| 7128879 | Chemical generator using hydro-logic system A chemical generator having inlets for receiving multiple reactant and water streams; a dilution chamber; a reaction chamber operably connected to the inlets and to the dilution chamber; an eductor operably receiving the water stream from the one of the inlets and c... | 10/31/2006 |
| 7066452 | Humidifier with reverse osmosis filter A filtering system for use with a reservoir. The filter system includes a filter assembly capable of filtering particles sized 1.0 micrometers and larger and may, include a flow control device positioned to selectively provide fluid flow to the filter assembly. The ... | 06/27/2006 |
| 6874768 | Transfer tube for carburetor fuel bowls Fuel bowls are placed on opposite sides of a carburetor, and a fuel transfer tube extends between the fuel bowls. External fuel receiving fixtures are mounted in fluid communication with the fuel bowls and have nipples facing each other. The fuel transfer tube is te... | 04/05/2005 |
| 6763845 | Water freeze prevention device An automatic water freeze prevention device having a first valve, second valve and third valve that cooperate to fill or drain a water utilization device according to pre-selected temperature conditions. These three valves are driven to their respective open/closed ... | 07/20/2004 |
| 6746002 | Fuel expansion system A fuel expansion system or carburetor for internal combustion engines utilizing the bubbling of air through use of a number of bubble tubes through a supply of liquid fuel. The resulting atomized, vaporized and expanded fuel is then mixed with air and fed into the e... | 06/08/2004 |
| 6739584 | Float apparatus of carburetor To prevent a fuel liquid surface within a float chamber from rising when a liquid surface change occurs to make a float rotate so that a float valve opens a valve seat hole, a first float (F3) is arranged in one outer side from one end (F4) of the bear... | 05/25/2004 |
| 6726185 | Rollover valve for carburetor float bowls A carburetor structure in which gasoline cannot leak out of a carburetor vent tube when oriented at an angle larger than ninety degrees with respect to the vertical. ... | 04/27/2004 |
| 6672571 | Fuel removal system for a carburetor A fuel removal system for a carburetor with a float bowl carried by a body having a channel extending from the float bowl to the exterior of the carburetor body. An outlet tube is positioned within the channel and is movable from a first position wherein ... | 01/06/2004 |
| 6554258 | Carburetor float bowl A carburetor float bowl. The float bowl includes a float adapted to be flotationally supported by liquid fuel in the float bowl over a predetermined range of the level of fuel therein. A fuel inlet is adapted to direct fuel along a line toward the floor o... | 04/29/2003 |
| 6454246 | Carburetor with separate nozzle post member A carburetor has an upper body and a lower separate nozzle post member that extends into the fuel chamber of a lower fuel bowl. The nozzle post member has a main nozzle mixing passage leading from a main fuel jet inlet to a nozzle. An annular air passage ... | 09/24/2002 |
| 6439548 | Overflow device for carburetor To provide an overflow device for suppressing undue emission of fuel from an overflow pipe which can be produced with a simple structure at a low cost, and can be simply applied also to any existing carburetors. An overflow device for a float type carbure... | 08/27/2002 |
| 6435482 | Carburetor for a general purpose engine A carburetor for a general purpose engine is structured by a carburetor barrel body having an air horn which is made of metal so as to have an ensured mechanical strength, a constant level fuel bowl coupled to the carburetor barrel body, and a fuel trunk ... | 08/20/2002 |
| 6427984 | Evaporative humidifier An evaporative humidifier including a base removably supporting a water tray for holding a quantity of water. A blower assembly and a water tank are removably supported by the base above the water tray. The blower assembly includes a housing and a fan dis... | 08/06/2002 |
| 6394427 | Drainless humidifier with water level sensing A housing is permanently connected to a water supply of a building and includes an evaporative water panel allowing water to flow downwardly and wick upwardly. A circulating device is provided for directing air from the building through the water panel. A... | 05/28/2002 |
| 6364291 | Carburetor fuel bowl having increased fuel carrying capacity Fuel bowl (10) is to be mounted to a metering block and to a carburetor of a high performance internal combustion engine. The fuel bowl housing (12) includes an inner fuel cavity or chamber (14) and a supplemental fuel storage chamber (44) (FIG. 1). A stu... | 04/02/2002 |
| 6286817 | Carburetor fuel bowl having fuel level indication The present invention relates to a fuel bowl for a carburetor for an internal combustion engine. The fuel bowl includes a fuel bowl housing (18) having an inner fuel cavity (22) and opposed lateral sides (54), and a sight glass (58) provided in at least o... | 09/11/2001 |
| 5938985 | Self-metering reservoir A bubbler container assembly particularly adapted for se in vapor generating systems including a main outer vessel, an inner bubbler vessel, a carrier gas inlet and a vapor outlet such that the inner bubbler vessel is contained within the main outer vesse... | 08/17/1999 |
| 5916489 | Float for carburetors A float of synthetic resin for carburetors includes a base having a mounting portion for mounting the float in a float chamber; two float parts arranged opposite to each other, swinging in accordance with an amount of fuel in the float chamber; and an arm... | 06/29/1999 |
| 5855823 | Steam humidifier The present invention is a humidifier that provides uniformly controlled generation of water vapor into an air stream. Steel wool is placed into a heating section of a humidifier water reservoir, where vapor is produced, to create an even distribution of ... | 01/05/1999 |
| 5772928 | Needle and seat valve assembly A valve assembly is provided for controlling the flow of fuel to the fuel chamber of a carburetor. The valve assembly includes a housing and a needle. The housing includes a side wall defining an inlet, an outlet in fluid communication with the inlet, and... | 06/30/1998 |
| 5667730 | Float bowl attachment for carburetor An attachment for a fuel carburetor possesses a fuel inlet, a needle-and-seat valve disposed in the inlet, and a float attached to the needle-and-seat valve. In one embodiment, the attachment is placed between and is in fluid communication with both the f... | 09/16/1997 |
| 5609296 | Water feed device for humidification and air conditioning apparatus incorporating the same There is provided a water feed device for humidification, comprising: an outflow reservoir that is disposed above a humidifier for feeding water into the humidifier by way of a permeation and that is provided with an overflow dam for maintaining a level o... | 03/11/1997 |
| 5456742 | Electric circuit having a convenience outlet for use in a humidifier or an air purifier An electric circuit is disclosed which includes an electric fan for dispersing air, a power switch for energizing the electric fan, and a convenience outlet for supplying power through the electric circuit to an external power consuming apparatus. The con... | 10/10/1995 |
| 5447663 | Floor mounted humidifier with wheeled water reservoir tank An improved floor mounted humidifier is disclosed. The humidifier draws dry air into and discharges humidified air from the humidifier. In order to facilitate the refilling of the humidifier with water, a wheel mounted water reservoir tank is provided. Th... | 09/05/1995 |
| 5417147 | Apparatus for carbonating liquids at municipal water pressure Apparatus is provided for automatically carbonating a liquid. A pressure vessel receives carbonating gas at a pressure P1 via a first input, and a supply of liquid at a pressure P2 via a second input. P2 is greater than P | 05/23/1995 |
| 5385697 | Carburetor float and method of forming same A carburetor float (10) having a body portion (12) with at least one divider wall (26, 27) formed therein, a lid (4) for closing off the top of the body portion and for sealing the interior chamber of the body portion and for sealing the cells (30, 31, 32... | 01/31/1995 |
| 5348691 | Atmosphere membrane humidifier and method and system for producing humidified air A membrane humidifying device is disclosed that can operate with normal potable quality water without a demineralizer and which prevents the transport of microbes, particulates, dissolved salts and liquid water to the airstream. It is positioned in the fl... | 09/20/1994 |
| 5236127 | Humidifier A humidifier comprises a liquid storing chamber provided in the lower portion of the casing. A nozzle is provided in the upper portion of the casing. An adaptor, provided in the upper portion of the casing, introduces compressed air and liquid into the no... | 08/17/1993 |
| 5133905 | Fuel metering method and apparatus Method, system and apparatus for metering fuel to an internal combustion engine via a carburetor having a mixture conduit with a venturi therein. A main fuel nozzle supplies fuel to the venturi of the carburetor in response to the static pressure drop ind... | 07/28/1992 |
| 5106543 | Apparatus and method for controlling the discharge or continuous bleed-off of cooling water and evaporative coolers Method and apparatus for controlling the discharge or continuous bleed-off of cooling water of evaporative coolers and cooling towers includes a container for receiving water from the cooling water system via an adjustable float valve. An orifice at the b... | 04/21/1992 |
| 5013488 | Apparatus for control of hard water scale in evaporative coolers Disclosed is a method and apparatus for preventing or minimizing scale deposition from hard water onto heat transfer surfaces in atmospheric cooling towers, such as those used in air conditioning and refrigeration systems, where evaporative cooling of wat... | 05/07/1991 |
