Water cooled exhaust tube
OwnerJan Lindholminventor
Life of this patent
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Abstract
Combustion engine (M), especially an Otto engine or diesel engine for land and water vehicles, has an exhaust system with an exhaust catalyst (20), integrated in the exhaust pipe (L), and a catalyst cooling device (26) fed with a fluid or pasty coolant (14), preferably water, glycerin or a gel. Also claimed is a silencer, especially for the above combustion engine, having a silencer cooling device fed with a fluid or pasty coolant. Preferably, the cooling device (26) forms a housing (G) for the catalyst (20) or silencer, respectively.
Claims13
An exhaust tube for conducting exhaust gases from a combustion engine, whereby the exhaust gases are cooled by means of water, wherein the exhaust tube comprises an outer housing formed as a tube, and an inner tube extending at a radial distance from the housing, the inner tube being adapted to conduct the exhaust gases while at least one channel, formed between the housing and the inner tube, is adapted to conduct cooling water separately from the exhaust gases, the inner tube extending coaxially in the housing, the exhaust tube comprising at least one cam, spanning the distance between the housing and the inner tube, the cam extending in a screw line shaped manner in the longitudinal direction of the housing, whereby the channel extends in a screw line shaped manner between the housing and the inner tube.
An exhaust tube for conducting exhaust gases from a combustion engine, whereby the exhaust gases are cooled by means of water, wherein the exhaust tube comprises an outer housing formed as a tube, and an inner tube extending at a radial distance from the housing, the inner tube being adapted to conduct the exhaust gases while at least one channel, formed between the housing and the inner tube, is adapted to conduct cooling water separately from the exhaust gases, the inner tube extending coaxially in the housing, the exhaust tube comprising a plurality of cams, spanning the distance between the housing and the inner tube, the cams extending straight in the axial direction of the exhaust tube.
An exhaust tube for conducting exhaust gases from a combustion engine, whereby the exhaust gases are cooled by means of water, wherein the exhaust tube comprises an outer housing formed as a tube, and an inner tube extending at a radial distance from the housing, the inner tube being adapted to conduct the exhaust gases while at least one channel, formed between the housing and the inner tube, is adapted to conduct cooling water separately from the exhaust gases, the exhaust tube comprising at least one cam, spanning the distance between the housing and the inner tube, the cam extending in a screw line shaped manner in the longitudinal direction of the housing, whereby the channel extends in a screw line shaped manner between the housing and the inner tube, in addition to which the housing and the inner tube are flexible.
An exhaust tube for conducting exhaust gases from a combustion engine, whereby the exhaust gases are cooled by means of water, wherein the exhaust tube comprises an outer housing formed as a tube, and an inner tube extending at a radial distance from the housing, the inner tube being adapted to conduct the exhaust gases while at least one channel, formed between the housing and the inner tube, is adapted to conduct cooling water separately from the exhaust gases, the inner tube extending coaxially in the housing, the exhaust tube comprising at least one cam, spanning the distance between the housing and the inner tube, the cam extending in a screw line shaped manner in the longitudinal direction of the housing, whereby the channel extends in a screw line shaped manner between the housing and the inner tube, in addition to which silencing means are arranged in the inner tube.
An exhaust tube for conducting exhaust gases from a combustion engine, whereby the exhaust gases are cooled by means of water, wherein the exhaust tube comprises an outer housing formed as a tube, and an inner tube extending at a radial distance from the housing, the inner tube being adapted to conduct the exhaust gases while at least one cooling channel, formed between the housing and the inner tube, is adapted to conduct cooling water separately from the exhaust gases, the exhaust tube being adapted to be mounted in a water-vessel, to extend from a first region to a second region of the latter, the second region being located higher than the first region, whereby the housing delimits the at least one cooling channel surrounding the inner tube, whereby water pump means are provided to pump water for it to flow through the cooling channel, wherein the outlet of the exhaust tube is located above or at a top end of the cooling channel, and wherein a water transportation channel communicates with the cooling channel at the top end of the cooling channel and at a top end of the water transportation channel, so that water, upon reaching the top of the cooling channel is gravity fed downward in the water transportation channel.
An exhaust tube for conducting exhaust gases from a combustion engine, whereby the exhaust gases are cooled by means of water, wherein the exhaust tube comprises an outer housing formed as a tube, and an inner tube extending at a radial distance from the housing, the inner tube being adapted to conduct the exhaust gases while at least one cooling channel, formed between the housing and the inner tube, is adapted to conduct cooling water separately from the exhaust gases, the exhaust tube being adapted to be mounted in a water-vessel, to extend from a first region to a second region of the latter, the second region being located higher than the first region, whereby the housing delimits the at least one cooling channel surrounding the inner tube, whereby water pump means are provided to pump water for it to flow through the cooling channel, wherein the outlet of the exhaust tube is located above or at a top end of the cooling channel, and wherein a water transportation channel communicates with the cooling channel at the top end of the cooling channel and at a top end of the water transportation channel, so that water can be pumped upwards in the water transportation channel and conducted downward in the cooling channel.
Dependencies are inferred from the claim text.