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JP3398529B2 |
To prevent any drop in engine output from occurring as exhaust resistance is increased though a catalytic converter is cooled by a large quantity of engine cooling water. A catalytic converter 23 is installed in an expansion part 19 of a...
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JP2003509683A |
A sheathed conductor configuration for corrosive environmental conditions is disclosed. The sheathed conductor configuration has at least one internal electrical conductor that is electrically insulated from a metallic outer sheath by an...
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JP2003065149A |
To improve engine performance even in case that the structure of exhaust system is simplified by providing four cylinders of internal combustion engine with two exhaust gas passages and sharing one exhaust gas passage within every two cy...
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JP3355807B2 |
In a vehicle, a floor has a lower side face. A tubular shell is disposed beneath the lower side face of the floor. The tubular shell defines an exhaust path and receives a catalyst module. An oxygen sensor includes a sensing element, a h...
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JP3317618B2 |
A personal watercraft includes a component arrangement which reduces heat exposure to many critical, heat-sensitive components of the watercraft. The personal watercraft includes a calalyzer within an exhaust system to treat engine exhau...
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JP2002504972A |
The invention relates to a method for improved monitoring of the conversion rate of an exhaust gas catalytic converter for an internal combustion engine. To achieve this, the temperature values determined downstream from the exhaust gas ...
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JP3251299B2 |
A catalytic converter for a small engine and a method for manufacturing the same include a honeycomb body coated with catalytically active material and made from at least partly structured layers of sheet metal with channels for the pass...
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JP2002013960A |
To provide a simple method for measuring the mass flow of a gas, a using method of its device, and a method for sufficiently avoiding the pollution of the device being used.A first heating element is heated to a temperature T1 selected h...
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JP2001317420A |
To save a mounting space and component weight and to finally provide an economic solution.A conduit system for conducting gas, especially an intake manifold of an internal combustion engine, comprises a conduit partition having an intake...
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JP2001522015A |
In a first aspect of the present invention there is provided a method of monitoring efficiency of a catalytic converter (14) present in an exhaust system (12) of an internal combustion engine (10) which has a closed loop control system (...
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JP2001295639A |
To provide an exhaust emission control device for an internal combustion engine which allows spatially compact installation, reducing white smoke and odors especially in a low-speed range, without enlarging the structure to enhance comfo...
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JP2001514719A |
(57) [Summary] The present invention relates to an apparatus and method for reducing exhaust in a vehicle catalytic converter exhaust system provided in a combustion engine. The present invention includes a control unit adapted to contro...
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JP3157061B2 |
PURPOSE: To improve the precision of catalyst deteriorating state diagnosis by providing a state detecting means to detect a state quantity having correlation with the temperature of a portion that becomes the object of temperature detec...
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JP2000280982A |
To provide a technology which can reduce the exhaust noise sufficiently. In this exhaust structure 30 of jet propulsion boat, an auxiliary muffler 70 is provided at the top part of a reverse U-shape of connection pipe 60, and the auxilia...
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JP2000234535A |
To protect an engine by suspending the engine when abnormality is detected in a temperature sensor for an exhaust pipe. This device stops an engine by means of a control device 31 when abnormality is detected in a temperature sensor 24 d...
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JP2000220481A |
To provide an air-fuel ratio control device of a gas engine in which the fuel component is liable to vary extensively, in order to reduce the NOx. This air-fuel ratio control device has a suction system and a fuel system for the mixture ...
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JP2000161126A |
To improve the rigidity of a cylinder body by constituting the cylinder body of an engine for small-sized vessel such as jet-propelled vessel from a plurality of independent cylinder bodies, connecting at least two of the bodies thereof ...
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JP2000159191A |
To aggressively air-cool the components of an engine with a high degree of heat generation.This small ship has an engine room 20 for storing an engine 21. A ventilation duct 39 is provided for communicating an inner space of the engine r...
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JPH11511825A |
A system for monitoring the functional performance of a catalytic converter and/or lambda probe in the exhaust processing equipment of an IC engine employs a hydrocarbon sensor (12) after the converter (11) as an index of exhaust conditi...
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JPH11245894A |
To achieve stable engine operation by always injecting fuel in the direction of gravity from a fuel injection valve no matter how much a vessel body is tilted. In a small planing vessel in which a fuel injection engine 3 is mounted on a ...
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JP2929357B2 |
PURPOSE: To restrict the operation of a device to suppress the amount of harmful matter below a limit value when the average value of harmful matter exceeds a limit average value by specifying the limit average value of individual matter...
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JP2926518B2 |
A process is disclosed which leads to a substantial improvement in the efficiency of bleaching lignocellulosic and like materials with hydrogen peroxide. This has been achieved by reducing the rate and extent of non-productive decomposit...
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JPH11503806A |
PCT No. PCT/EP96/04930 Sec. 371 Date Jul. 2, 1997 Sec. 102(e) Date Jul. 2, 1997 PCT Filed Nov. 11, 1996 PCT Pub. No. WO97/17534 PCT Pub. Date May 15, 1997The invention relates to catalytic converters to be placed in the flowing exhaust o...
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JPH10502720A |
An open path low back pressure muffler for reciprocating air motor pulsing exhaust providing an increased area inlet orifice, double flow path reversal with directional flow assistance and a turnable sound absorbing lined duct exit.
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JPH10502428A |
This invention is directed to a system for monitoring the efficiency of a catalyst employed to convert exhaust gases containing carbon monoxide, hydrocarbons and nitrogen oxides, e.g., those generated by an internal combustion engine suc...
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JP2687140B2 |
A number of embodiments of cooling systems for internal combustion engines powering marine watercraft wherein the engine cooling jacket delivers its coolant to an exhaust manifold cooling jacket adjacent the inlet end of the exhaust mani...
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JP2683773B2 |
A small watercraft having a number of embodiments of exhaust systems into which coolant from the engine are discharged and which insure that water cannot enter the exhaust ports in the event the watercraft becomes displaced. In all embod...
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JP2647699B2 |
A small watercraft embodying an improved exhaust system that is substantially completely watercooled by a cooling jacket. The exhaust system includes an elastic joint that is also completely surrounded by the cooling jacket so as to insu...
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JP2594881B2 |
A catalyst carrier body for exhaust systems of internal combustion engines includes a configuration for temperature measurement and/or heating walls of the catalyst carrier body. At least two layers, namely an upper layer and a lower lay...
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JPH0911989A |
PURPOSE: To prevent cooling water for an exhaust pipe from shortage and the exhaust pipe from overheat in providing a catalyst converter on a water travelling ship. CONSTITUTION: A catalyst converter is interposed in an exhaust path. A f...
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JPH08284654A |
To dispense with a conventional baffle plate by making exhaust gas longitudinally pass through an annular chamber formed between a first and a second tubes, providing a third tube concentric with the first and second tubes, and making co...
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JPH08246865A |
To improve the operability by forming a seal up member for closing the passage opening to a duct by providing a gas remover or the groove for passing a fluid formed by an axis direction slot onto the cylindrical body with which a spiral ...
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JPH08507843A |
PCT No. PCT/DE94/00219 Sec. 371 Date Sep. 19, 1995 Sec. 102(e) Date Sep. 19, 1995 PCT Filed Mar. 1, 1994 PCT Pub. No. WO94/21901 PCT Pub. Date Sep. 29, 1994The invention relates, in particular, to the checking of the conversion of a prec...
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JP2523459B2 |
The exhaust pipe (5) from the engine (1) incorporates a lambda probe (6) wired to the electronic controller (2), and leads into a catalytic convertor (8) in which flat or approximately linear temp. sensors (TF1, TF2) perform integral rat...
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JPH08505451A |
An exhaust filter backpressure indicator includes a sensor for measuring the backpressure and the exhaust system. The sensor sends a signal which is processed for indicating that an exhaust filter element is filled. The indicator include...
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JPH0810655Y2 |
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JPH0830406B2 |
A catalytic exhaust system for a marine outboard drive wherein the catalyzer material is supported by a heat conductive bracket and the bracket is cooled by a cooling jacket that is supplied with coolant from the engine cooling jacket. I...
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JPH0861047A |
To provide a monitoring method for the operating capability of a catalyzer in an exhaust duct of an internal combustion engine, and an apparatus for performing the method. Operating capability of a catalyzer is assessed on the basis of t...
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JPH0754573Y2 |
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JPH0734165Y2 |
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JPH07189651A |
PURPOSE: To maintain excellent muffling performance even under a continuous use by a method wherein a muffling structural body having a non-woven web is arranged in an exhaust port, and the diameter of a fiber and pressure resisting ener...
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JPH07504474A |
PCT No. PCT/EP91/01991 Sec. 371 Date Apr. 26, 1993 Sec. 102(e) Date Apr. 26, 1993 PCT Filed Oct. 19, 1991 PCT Pub. No. WO92/08053 PCT Pub. Date May 14, 1992.A muffler arrangement includes a muffler with an essentially cylindrical housing...
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JPH0712663Y2 |
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JPH0712089Y2 |
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JPH0771233A |
PURPOSE: To provide a method for testing the aged condition and conversion rate of a catalyst. CONSTITUTION: For testing the conversion rate of exhaust gas catalysts 7 inserted in an exhaust gas train 6 of an internal combustion engine 1...
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JPH06508414A |
PCT No. PCT/DE93/00257 Sec. 371 Date Dec. 3, 1993 Sec. 102(e) Date Dec. 3, 1993 PCT Filed Mar. 20, 1993 PCT Pub. No. WO93/20340 PCT Pub. Date Oct. 14, 1993The invention is directed to a method for evaluating the operability of a catalyti...
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JPH06221144A |
PURPOSE: To detect leak of unsealable properties in an exhaust section. CONSTITUTION: Amplitude of a pulsation frequency is measured by an output signal of an O2 sensor 9, and when a specified threshold amplitude is exceeded during a neg...
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JPH06221143A |
PURPOSE: To achieve detection of unsealable properties in an exhaust section at favorable reliability. CONSTITUTION: Two O2 sensors 9, 10 are disposed at an interval from each other inside an exhaust section 7, signals of the O2 sensors ...
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JPH0584818B2 |
A two stroke internal combustion engine (5) having a transfer port (9) and an exhaust port (8) in a cylinder (6) which are opened and closed in a timed relationship by the reciprocating movement of a piston (7). The exhaust port (8) comm...
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JPH0541215Y2 |
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