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Matches 1 - 50 out of 14,945

Document Document Title
WO/2019/170965A1
Method for producing thermal energy from a fuel containing hydrocarbons. According to the method, the fuel is burned in a combustion plant at an increased temperature, heat obtained from the combustion is recovered and the combustion's e...  
WO/2019/168736A2
Sound suppression devices may include a baffle system or stack having a plurality of baffle disks where at least a first portion of the disks include a first set of gas ports and at least a second portion of the disks include a second se...  
WO/2019/166444A1
The invention relates to a device for the aftertreatment of exhaust gases of an internal combustion engine, comprising at least one catalytic converter (8, 9, 31), through which exhaust gas can flow, and at least one muffler (1, 20), whi...  
WO/2019/158451A1
An acoustic damper (100) for a gas duct system (20), comprises a housing (1) comprising a first wall (2) and a second wall (3) opposite to and spaced from the first wall (2) so as to at least partly define a housing volume there between....  
WO/2019/158832A1
The invention relates to a motor vehicle (1) comprising a chassis (6) to which there is attached an exhaust bracket (7), a rear exhaust silencer (5), a hook (8) of which one end is connected to the bracket (7), characterized in that the ...  
WO/2019/158138A1
A two-stroke engine exhaust resonator with an exhaust gas catalytic converter comprising an inlet opening, wherein the inlet opening is followed by the first end of a stabilizing tube with a catalytic converter mounted thereon, character...  
WO/2019/146479A1
This exhaust gas purification device is provided with a pre-oxidation catalyst which is disposed in an exhaust gas passage located immediately after an engine mounted on a vehicle; and a muffler which is provided around the pre-oxidation...  
WO/2019/146165A1
A silencer 40 connected to the air blowing pipe 30 of an air blowing working machine 10 is provided with: a silencer pipe 41 connected to the air blowing pipe 30 and having a sound absorbing material 42 disposed on the inner peripheral s...  
WO/2019/142011A1
An exhaust gas system is provided for a transport refrigeration unit (TRU) engine. The exhaust gas system includes an exhaust system. The exhaust system includes a catalyst operable in a temperature range to catalyze exhaust gas produced...  
WO/2019/141630A1
The invention relates to a device of a motor vehicle, comprising a silencer (1) that dampens noise of the exhaust gases of the engine, said silencer having a closed envelope (10) comprising exhaust gas inlets and outlets, and an aerodyna...  
WO/2019/124130A1
[Problem] To provide a fluid device which has a buffer tank and with which pressure loss can be reduced more than the prior art while sufficiently lowering the pulsation of a fluid. [Solution] This fluid device 100 is provided with an ai...  
WO/2019/123708A1
Provided is a lightweight and compact muffler device which can be installed in a limited space within an electrical generator, and can ensure sufficient capacity. The muffler device is provided with a vertically arranged casing 21, and a...  
WO/2019/121166A1
The invention relates to a method and to a device for regenerating a particulate filter arranged in an exhaust gas tract of an internal combustion engine, wherein air is blown into the exhaust gas tract upstream of the particulate filter...  
WO/2019/119767A1
An exhaust control valve (100) comprises a tubular housing (1) and a valve cover assembly covering the housing. The housing is provided with a gap (11). The valve cover assembly comprises a valve cover (2), a rotating shaft (3) passing t...  
WO/2019/118424A1
A muffler for receiving exhaust gas from a combustion engine may include a shell, an inlet pipe, at least one outlet pipe, one or more baffles, and an internal communication pipe. The inlet pipe may extend through the shell. The outlet p...  
WO/2019/105774A1
The invention relates to an ultrasonic sensor (1) for measuring a signal propagation time in a liquid, in particular in an aqueous urea solution, for the purpose of determining the quality of the liquid, comprising a sensor unit (2) with...  
WO/2019/101297A1
The invention relates to a noise generating device (20) for a vehicle exhaust system in a motor vehicle having a housing (22) and a noise generator arranged inside the housing (22). The housing (22) has an upper part (26), a lower part (...  
WO/2019/099656A1
A method of manufacturing a subassembly for an exhaust treatment device includes providing a metal sheet including first and second apertures having respective first and second sizes, and a one-piece pipe including first and second linea...  
WO/2019/091542A1
The present invention relates to an exhaust gas silencer comprising a central pipe (46) having an inlet end and an outlet end (42), a silencer housing leaving a silencer chamber between itself and the central pipe (46), and at least one ...  
WO/2019/092038A1
The invention relates to a device (1, 1', 1") for reducing airborne and structure-borne sound having at least one resonator chamber (2, 13, 14, 20, 21, 22, 23) arranged between a supply (7, 7") and a discharge (8, 8"), wherein the resona...  
WO/2019/086539A1
In an exhaust gas system (1) of a combustion device, with: a sound absorber (2); a catalytic converter (3) for treating a pollutant contained in the exhaust gas; a nozzle device (7) installed upstream of the catalytic converter (3) in th...  
WO/2019/089306A1
A snap-action valve assembly for an exhaust system and a method for manufacturing the same is provided. The valve assembly includes a first conduit and a second conduit that is partially received in the first conduit. A valve flap is dis...  
WO/2019/081109A1
The invention relates to an internal combustion engine (1) with an exhaust gas system (2) for discharging exhaust gas of the internal combustion engine (1). The internal combustion engine (1) has a turbocharger comprising a turbine (3) a...  
WO/2019/080505A1
An active noise reduction method and system, and a new energy vehicle. The method comprises the following steps: obtaining the frequency of a high-frequency noise signal in an acoustic environment; constructing and generating a harmonic ...  
WO/2019/082598A1
The present invention improves exhaust gas purification efficiency by devising a catalyst unit fixation position and an exhaust gas flow direction. Provided is a muffler 30 having a box-shaped outer shell that comprises a front housing 3...  
WO/2019/063070A1
A loudspeaker arrangement includes an air-tight, rigid, thermo- conductive enclosure (103) with an aperture (115) and an outer surface, and a loudspeaker (101) air-tightly mounted in the aperture (115) to form a locked acoustic volume wi...  
WO/2019/058350A1
The present application discloses a silencer for a heating, ventilation, and air conditioning system comprising a silencing channel having an outlet and an inlet, such that airflow flows in from the inlet and flows out from the outlet, a...  
WO/2019/059942A1
A vehicle exhaust system includes a component housing defining an internal cavity, a first exhaust gas treatment element positioned within the internal cavity, a second exhaust gas treatment element positioned within the internal cavity ...  
WO/2019/042556A1
The invention relates to an exhaust gas system (12) for an internal combustion engine of a motor vehicle. Said exhaust gas system comprises a singular exhaust gas inlet line (16), two exhaust gas outlet lines (18) connected in an exhaust...  
WO/2019/045687A1
A mobile power generation system includes a trailer, a gas turbine housed inside the trailer, an electrical generator coupled to the gas turbine to generate electricity, an exhaust silencer system configured to receive exhaust has from t...  
WO/2018/199778A8
The invention relates to an energy efficiency solution for internal combustion engines, and particularly to a thermo-acoustic solution for exhaust systems, which is based on a heat recovery system, an active noise-cancellation system and...  
WO/2019/029880A1
The invention relates to a device (1) for mixture preparation for an exhaust-gas aftertreatment system, comprising an injection device (2) for injecting a liquid reducing agent (3) into an exhaust-gas flow, and comprising a mixing pipe (...  
WO/2019/032681A1
Provided in the present invention are a muffler (2)for use in a refrigerating device and a refrigerating device. The muffler comprises an outer casing (23), an inner wall (24), and a sound absorbing material (26) provided between the inn...  
WO/2019/025774A1
Sound and/or vibration in a vehicle (10) is enhanced by using at least one active powertrain mount (24, 26) to selectively generate vibrations in the vehicle body (12), at least some of which are audible to a person in a cabin of the veh...  
WO/2018/199778A3
The invention relates to an energy efficiency solution for internal combustion engines, and particularly to a thermo-acoustic solution for exhaust systems, which is based on a heat recovery system, an active noise-cancellation system and...  
WO/2019/018673A1
An acoustic damper includes a low porosity layer section and a housing. The low porosity layer section is formed in a liner of a gas turbine combustor and has an arrangement of elongated generally S-shaped slots formed therein. The housi...  
WO/2019/015342A1
Disclosed is a silent mobile electric supply vehicle, comprising an automobile tractor unit (100), a semi-trailer (200) and a container electric station (300), wherein the automobile tractor unit (100) is connected to the semi-trailer (2...  
WO/2019/007700A1
The invention relates to a method for operating a motor vehicle noise cancellation system (1) comprising a Helmholtz resonator (2) with a Helmholtz chamber (13), a neck (3), and a connection opening (4); a speaker (5) within the Helmholt...  
WO/2019/009268A1
A valve device (10) is disposed in an exhaust passageway (9b) of a muffler (1) and is provided with: a valve body (20) which opens and closes the exhaust passageway (9b) depending on the exhaust pressure of exhaust gas (G); an elastic me...  
WO/2018/234826A1
Apparatus for modifying acoustic transmission comprises an array of structures arranged along a transmission path and each having a major axis and a minor axis, the structures being arranged such that a minor axis of each void or structu...  
WO/2018/234212A1
The invention relates to a loudspeaker system (1) for a motor vehicle, having a loudspeaker housing (1.1), which comprises a connection opening (1.2) for acoustically connecting the loudspeaker housing (1.1) to the environment or to an i...  
WO/2018/234141A1
The invention relates to an exhaust-gas aftertreatment system for a spark-ignited internal combustion engine based on the Otto principle. The internal combustion engine is connected on the outlet side to an exhaust-gas system, wherein, i...  
WO/2018/235797A1
This sound insulation system comprises a tube structure having one or more open ends, and a sound insulation structure having an opening or a radiation surface, and satisfies the following expression (1) when the phase difference of rera...  
WO/2018/229371A1
The invention relates to a combustion gas exhaust line (20) comprising an outlet branch (27) comprising a loudspeaker (30), a Y-shaped tubular part (29) connecting the loudspeaker (30) to the outlet branch (27), characterised in that the...  
WO/2018/226818A2
An internal combustion engine includes an engine block including a cylinder and a muffler assembly configured to receive exhaust gases from the cylinder. The muffler assembly includes a housing defining an interior volume and including a...  
WO/2018/226626A1
A multi-stage mixer includes a multi-stage mixer inlet, a multi-stage mixer outlet, a first flow device, and a second flow device. The multi-stage mixer inlet is configured to receive exhaust gas. The multi-stage mixer outlet is configur...  
WO/2018/206917A1
In a method of manufacturing a hollow shelled component for an exhaust system, opposed longitudinal edge regions of a blank (50) of thin-gauge sheet metal are folded out of the plane of the blank in the same direction to produce flanges....  
WO/2018/199778A2
The invention relates to an energy efficiency solution for internal combustion engines, and particularly to a thermo-acoustic solution for exhaust systems, which is based on a heat recovery system, an active noise-cancellation system and...  
WO/2018/197741A1
The noise attenuator (1) for an exhaust system of an internal combustion engine (20) comprises a casing (2), an inner wall (3) defining a cylindrical space within the casing (2), an inner pipe (4) that is arranged coaxially with the inne...  
WO/2018/192891A1
The invention relates to an exhaust flap (11) for an exhaust system (4) of a motor vehicle (1) which has an internal combustion engine (3) and at least one electronic computing device (16) for regulating the internal combustion engine (3...  

Matches 1 - 50 out of 14,945