An antifreeze system for a pipework, the antifreeze system comprising a framework configured to be fixed to the pipework, and at least one thermally insulating sleeve maintained around the pipework by the framework. Each sleeve is configured so that a space is produced between the sleeve and the pip
An antifreeze system for a pipework, the antifreeze system comprising a framework configured to be fixed to the pipework, and at least one thermally insulating sleeve maintained around the pipework by the framework. Each sleeve is configured so that a space is produced between the sleeve and the pipework. The framework has an inlet and an outlet which are configured to produce a fluid communication between the outer side of the antifreeze system and the space. The inlet is fluidly connected to a source of hot air. Such an antifreeze system thus enables a flow of hot air around the pipework which thus prevents the liquid which flows therein from freezing.
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1. An antifreeze system for a pipework, the antifreeze system comprising: a framework configured to be fixed to the pipework,a source of hot air andat least one pair of thermally insulating sleeves maintained around the pipework by the framework, each sleeve being configured so that a space is produ
1. An antifreeze system for a pipework, the antifreeze system comprising: a framework configured to be fixed to the pipework,a source of hot air andat least one pair of thermally insulating sleeves maintained around the pipework by the framework, each sleeve being configured so that a space is produced between the sleeve and the pipework,the framework having an inlet and an outlet, which are configured to produce a fluid communication between the outer side of the antifreeze system and the space, and where the inlet is fluidly connected to the source of hot air,wherein the framework has two end supports, each end support comprising a hole which constitutes for one the inlet and for the other the outlet, and, for each pair of sleeves, an intermediate support which is arranged between the two sleeves and which has at least one air duct which is configured to enable the passage of the hot air from one end support to the other end support,wherein the intermediate support comprises:a collar configured to be fitted on the pipework,a base fixedly joined to the collar and extending around the collar,a lateral wall formed by means of revolution and being fixedly joined to the base and extending at one side and the other of the base parallel with an axis of the collar, at one side and the other of the base, an intermediate wall fixed to the base between the lateral wall and the collar, andeach air duct being arranged in the base between the intermediate wall and the collar. 2. The antifreeze system according to claim 1, wherein the sleeve comprises a tube and studs which are arranged radially at the inner side of the tube. 3. The antifreeze system according to claim 1, wherein each end support comprises: a collar configured to be fitted on the pipework,a base fixedly joined to the collar and extending around the collar,a lateral wall formed by means of revolution and being fixedly joined to the base and extending from the base parallel with an axis of the collar, anda ring fixed to the inner side of the lateral wall being remote from the base and whose inner circle constitutes a free edge, andthe hole opening inside the lateral wall between the base and the ring. 4. An assembly comprising: a pipework andan antifreeze system comprising:a framework configured to be fixed to the pipework,a source of hot air andat least one pair of thermally insulating sleeves maintained around the pipework by the framework, each sleeve being configured so that a space is produced between the sleeve and the pipework,the framework having an inlet and an outlet, which are configured to produce a fluid communication between the outer side of the antifreeze system and the space, and where the inlet is fluidly connected to the source of hot air,wherein the framework has two end supports, each end support comprising a hole which constitutes for one the inlet and for the other the outlet, and, for each pair of sleeves, an intermediate support which is arranged between the two sleeves and which has at least one air duct which is configured to enable the passage of the hot air from one end support to the other end support,the framework being fixed to the pipework, andeach sleeve being maintained around the pipework,wherein the intermediate support comprises:a collar configured to be fitted on the pipework,a base fixedly joined to the collar and extending around the collar,a lateral wall formed by means of revolution and being fixedly joined to the base and extending at one side and the other of the base parallel with an axis of the collar, at one side and the other of the base, an intermediate wall fixed to the base between the lateral wall and the collar, andeach air duct being arranged in the base between the intermediate wall and the collar. 5. An aircraft comprising: a jet engine provided with a tap which is configured to draw hot air from the jet engine,an assembly comprising:a pipework andan antifreeze system comprising:a framework configured to be fixed to the pipework,a source of hot air andat least one pair of thermally insulating sleeves maintained around the pipework by the framework, each sleeve being configured so that a space is produced between the sleeve and the pipework,the framework having an inlet and an outlet, which are configured to produce a fluid communication between the outer side of the antifreeze system and the space, and where the inlet is fluidly connected to the source of hot air,wherein the framework has two end supports, each end support comprising a hole which constitutes for one the inlet and for the other the outlet, and, for each pair of sleeves, an intermediate support which is arranged between the two sleeves and which has at least one air duct which is configured to enable the passage of the hot air from one end support to the other end support,the framework being fixed to the pipework,each sleeve being maintained around the pipework, andthe source of hot air being a pipework which extends from the tap,wherein the intermediate support comprises:a collar configured to be fitted on the pipework,a base fixedly joined to the collar and extending around the collar,a lateral wall formed by means of revolution and being fixedly joined to the base and extending at one side and the other of the base parallel with an axis of the collar, at one side and the other of the base, an intermediate wall fixed to the base between the lateral wall and the collar, andeach air duct being arranged in the base between the intermediate wall and the collar.
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