"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
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7707828 | Method and apparatus for manipulating and diluting internal combustion engine exhaust gases A system for manipulating engine exhaust gases away from inhabited areas comprises an air pressurization system coupled in fluid communication to a housing. The housing is adapted to reside adjacent a terminal portion of an exhaust pipe so that pressurized air injec... | 05/04/2010 |
| 7458208 | Exhaust gas extractor system Unobstructed, pressurized air from the forward movement of a vehicle such as a pickup, SUV or automobile is forced into an air scoop (mounted to the undercarriage of the vehicle). This air is then channeled through a section of exhaust pipe (having the fewest possib... | 12/02/2008 |
| 7434656 | Exhaust device for vehicle engine An exhaust device includes an exhaust pipe connected at its upstream end to a cylinder head of the engine and an exhaust muffler connected to the downstream end of the exhaust pipe for suppressing the generation of noise from a heat insulating cover that covers a pa... | 10/14/2008 |
| 7350513 | System for improving motor vehicle performance A system for improving motor vehicle performance includes an air intake heat exchanger placed in-line with the air intake of the motor vehicle. The air intake heat exchanger is coupled to a source of pressurized media for selective application of the pressurized med... | 04/01/2008 |
| 7281530 | Supercharging system for internal combustion engine A supercharging system for an internal combustion engine includes an exhaust introduction passage for introducing exhaust gas from an internal combustion engine; an exhaust discharge passage for introducing the exhaust gas from the exhaust introduction passage and e... | 10/16/2007 |
| 7216733 | Small-sized vehicle A small-sized vehicle is capable of inhibiting the temperature of a battery that supplies an electric motor of a power steering apparatus with a power source from increasing. A battery which supplies the electric motor of the power steering apparatus with the power ... | 05/15/2007 |
| 7207172 | Method for ventilating a working machine, and such a working machine A working machine includes an engine compartment, an engine hood, an internal combustion engine arranged in the engine compartment and an exhaust system, which extends from the engine out of the engine compartment via the engine hood. The exhaust system is provided ... | 04/24/2007 |
| 7107765 | System for improving motor vehicle performance A system for improving motor vehicle performance includes an air intake heat exchanger placed in-line with the air intake of the motor vehicle. The air intake heat exchanger is coupled to a source of pressurized media for selective application of the pressurized med... | 09/19/2006 |
| 7089731 | Rotating motorcycle exhaust pipe A an improvement in a two wheel motor vehicle having an internal combustion motor and a wheel drive mechanism, wherein the motor has an exhaust system connected thereto, includes a) an exhaust system having a first exhaust pipe and a second exhaust pipe with the fir... | 08/15/2006 |
| 7086224 | Rotating motor vehicle tail pipe A motor vehicle having at least three wheels, an internal combustion motor and a wheel drive mechanism, wherein the motor has an exhaust system connected thereto, includes a) an exhaust system having a first exhaust pipe and a second exhaust pipe with the first exha... | 08/08/2006 |
| 7051786 | Vertical airflow engine cooling system A non-rail off-road vehicle, such as an agricultural tractor having an engine with a horizontally oriented rotation axis and a hood covering the engine, includes a cooling system. The cooling system includes an engine cooling radiator positioned above the engine and... | 05/30/2006 |
| 7051524 | Venturi device The present invention 10 discloses a venturi that is installed perpendicularly to the end of the exhaust pipe 12 of a truck or like vehicle 14 thus resulting in the air flow through the venturi being at a 90 degree angle relative to the exhaust ... | 05/30/2006 |
| 7043912 | Apparatus for extracting exhaust heat from waste heat sources while preventing backflow and corrosion In a waste heat recovery system wherein a heat exchanger derives heat from an engine exhaust, a venturi is fluidly connected to an engine exhaust port so as to thereby increase the flow rate and reduce the pressure in a manifold which is fluidly connected between th... | 05/16/2006 |
| 6968916 | Air intake system for a vehicle An air intake system for a vehicle, having a hood that defines at least one intake aperture therethrough. The hood may be configured such that the intake apertures have substantially zero exposed area in the upper surface of the hood, such that debris cannot fall fr... | 11/29/2005 |
| 6810662 | Method and apparatus for purifying a gas flow The invention relates to a method for purifying a gas flow, the method comprising spraying of water mist into the gas flow by utilizing at least one spray nozzle thereby causing a negative pressure in the immediate vicinity of the nozzle for sucking the gas flow int... | 11/02/2004 |
| 6189318 | Internal combustion engines An internal combustion engine is provided with a vacuum pump (17) to remove burnt gases form the engine cylinders during an exhaust stroke. The vacuum applied by the pump (17) is sufficient to remove the gases during an exhaust stroke and also apply a for... | 02/20/2001 |
| 6167976 | Engine enclosure A modular engine enclosure comprised of a hood and baffle is provided to channel cooling air along passages formed between their adjacent surfaces to the radiator of a water cooled engine. The passages provide acoustic air barriers and along with selected... | 01/02/2001 |
| 5916136 | Aspiration device for vehicle engine exhaust system The aspiration device for vehicle engine exhaust systems includes a main housing having a top, a bottom and sidewalls with an open front and an open back. The open front has a larger cross-sectional area than the back and it is adapted to be mounted in th... | 06/29/1999 |
| 5722235 | Exhaust gas back pressure attenuator for truck exhaust stacks The present invention relates generally to an exhaust gas back pressure attenuator for truck exhaust stacks. In particular, the present invention is directed toward an improved exhaust gas deflector that reduces the back pressure within the vertical tubul... | 03/03/1998 |
| 5689953 | Cooling system for a liquid-cooled engine A cooling system for a vehicle having a radiator disposed above an engine, and a muffler disposed in a region below the engine. This system includes an air intake guide for guiding cooling air to the radiator from outside, an exhaust guide for guiding a l... | 11/25/1997 |
| 5282361 | Device for facilitating exhaust action of an internal combustion engine The present invention relates to a device for facilitating exhaust action of an internal combustion engine being used as a power-transmitting source of a vehicle, using a depression phenomenon resulted from induction and acceleration of air resistance due... | 02/01/1994 |
| 5179838 | Apparatus for driving turbo supercharger An apparatus for driving a turbo supercharger (6) of an internal combustion engine (1) including an exhaust gas driven turbine (61) driving a compressor (62) for pressurizing engine intake air wherein a gas suction duct (10) is connected to the outlet (8)... | 01/19/1993 |
| 5165231 | Anti-reversion exhaust system An anti-reversion exhaust system including an exhaust pipe and shroud attached to the exhaust pipe. The exhaust pipe and shroud cooperate to induce intersecting, generally opposed gaseous flows to effectively prevent reversionary flow in the direction of ... | 11/24/1992 |
| 5165234 | Apparatus for driving a turbosupercharger Apparatus for driving a turbosupercharger for an internal combustion engine wherein a negative pressure is generated by accelerating the exhaust gas flow. A turbine (40) is driven by the negative pressure generator (30) and a supercharging turbine (50) is... | 11/24/1992 |
| 5115641 | Method of and apparatus for driving turbosupercharger The present invention provides a method of and an apparatus for driving a turbosupercharger wherein including an exhaust gas turbine (61) is driven by the exhaust gas energy of an internal combustion engine (1), and a supercharging turbine (62) is actuate... | 05/26/1992 |
| 4909034 | Low speed back pressure generator for affecting torque of an internal combustion engine A back pressure generator for affecting torque of an internal combustion engine having an exhaust system comprises a tubular housing, a main passage part for exhaust gas in the housing, a valve body movably supported in the main passage part for movement ... | 03/20/1990 |
| 4903484 | Exhaust dissipator and deflector An exhaust gas deflector for the top of a vertical tubular truck exhaust stack, the deflector being formed of a generally horizontal base plate having an opening therethrough, a vertical tubular pipe portion secured to the base plate coincident with the o... | 02/27/1990 |
| 4885911 | Internal combustion engine turbosystem and method An exhaust-driven cooling system for an internal combustion engine includes a turbocooler having an exhaust-driven turbine and fan means to generate a flow of cooling air for use in an internal combustion engine heat exchanger to dissipate heat losses of ... | 12/12/1989 |
| 4872308 | Exhaust device for working machine An exhaust device for a working machine in which a mixing tubular member is disposed opposite to an outlet opening of the muffler through a space interposed between them, and an air-flow passage is provided to introduce a portion of pressurized air from a... | 10/10/1989 |
| 4809502 | Power equipment A power equipment includes an exhaust pipe member disposed near a muffler, the exhaust pipe member having an exhaust gas passage portion which communicates with the outlet of the muffler and an outlet passage portion whose downstream end has a downstream ... | 03/07/1989 |
| 4671060 | Explosion-protected diesel engine A diesel engine has a fresh-air intake, an exhaust-gas output, and a cooling system in which a liquid coolant is circulated. This system is provided with an antiexplosion system having an intake flame arrester in the intake and a jacketed exhaust-pipe sec... | 06/09/1987 |
| 4665691 | Exhaust back pressure reducer An exhaust back pressure reducer for use with an air deflector on top of the cab of a tractor for deflecting air over the tractor as the tractor pulls the trailer over the road. The back pressure reducer generally comprises a device at the top of the air ... | 05/19/1987 |
| 4643685 | Water jet propelled craft A water jet propelled craft equipped at the rear section of the craft with a water jet pump driven by an engine. A cylindrical member is provided so as to extend backwards around the rear end of a pump outlet nozzle of the water jet pump, and an outlet of... | 02/17/1987 |
| 4610235 | Hydraulic drive supercharger for internal combustion engines An oil driven supercharger is disclosed with the turbine operating on oil from the lubricating system of an internal combustion engine or from a separate source of pressure oil. In the disclosed form of the invention, the turbine drives a pair of air comp... | 09/09/1986 |
| 4467774 | Apparatus for recirculating the exhaust gas of an internal combustion engine For recirculating the exhaust gas of an internal combustion engine, a recirculation line is provided which leads from the exhaust side to the intake side of the engine. A valve for controlling the recirculation rate is disposed in the line, and in order t... | 08/28/1984 |
| 4418532 | Supercharged internal combustion engine having a compressed air driven exhaust gas ejector An exhaust system of an internal combustion engine comprising an ejector provided in the exhaust pipe of the engine and a compressor driven by the engine. Pipes are provided for selectively supplying compressed air to a nozzle of the ejector and to the in... | 12/06/1983 |
| 4339918 | Means for accelerating the discharge of exhaust gas from an internal combustion engine Means for accelerating the discharge of exhaust gas from an internal combustion engine, adapted to be mounted to the end of the engine exhaust pipe, in which exhaust gas from the engine is swirlingly guided by a plurality of spiral blades disposed in a tu... | 07/20/1982 |
| 4313523 | Automotive exhaust system incorporating venturi to reduce back pressure A method and apparatus are provided for reducing back pressure within an exhaust system for an internal combustion engine by creating a venturi within the exhaust system and forcing air through the venturi to create suction for drawing exhaust gases away ... | 02/02/1982 |
| 4149453 | No-plume device An apparatus for discharging to the atmosphere, combustion gases containing sulphur trioxide, means are provided for injecting into the stream, prior to venting to the atmosphere, a selected quantity of diluting gas. The diluting gas and sulphur containin... | 04/17/1979 |
| 3940097 | Exhaust flow deflector A deflector for reducing swirling flow spillover occurring when gas flowing hrough curved ducting attempts to exit into a freestream flow. When a gas flows through curved ducting it develops a swirling motion and when it attempts to exit into a freestream ... | 02/24/1976 |