Fan mounting means and method of making the same
Assigneeebm-papst St. Georgen GmbH & Co. KG
InventorsWolfgang Arno Winkler, Peter Metzger
Life of this patent
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Abstract
A fan arrangement comprises a fan (10) having a fan housing (30) within which is arranged a blower wheel (18) which, in operation, moves air from an intake side of the fan (10) to a delivery side. Arranged radially outside the fan housing (30) is a surrounding mounting frame (34) that serves to support the fan housing (30). A membrane (32), made of an elastic material, elastically connects the fan housing (30) and mounting frame (34) to one another and is formed with through holes or apertures (33) that, in the event of a closure of the output or delivery side of the fan arrangement (40), enable a return flow, from the delivery side to the intake side of the fan arrangement (40), of air moved by the blower wheel (18).
Claims57
A fan arrangement that comprises:
- a fan (10) that has a fan housing (30) within which is arranged a blower wheel (18) which, in operation, conveys air from an intake side of the fan (10) to a delivery side;
- a mounting frame (34) that is arranged radially outside the fan housing (30) and resiliently supports the fan arrangement (40);
- a membrane (32), made of an elastic material, which elastically connects the fan housing (30) and the mounting frame (34) to one another and is equipped with apertures (33) that, in the event of a closure of the delivery side of the fan arrangement (40), enable a return flow, from the delivery side to the intake side of the fan arrangement (40), of air conveyed by the blower wheel (18);
- and wherein
- the membrane (32) is connected to the fan housing (30) substantially over the latter's entire circumference.
A method of manufacturing a fan arrangement (40) having a fan housing (30) and a mounting frame (34), comprising the steps of:
- a) bringing a first part (72) and a second part (74) of an injection mold into a circumferential space between the fan housing (30) and the surrounding mounting frame (34);
- b) injecting an elastomer between the first part (72) and the second part (74) of the injection mold in order to produce a membrane (32) that connects the fan housing (30) and the mounting frame (34).
A fan arrangement that comprises:
- a fan (10) that has a fan housing (30) within which is arranged a blower wheel (18) which, in operation, conveys air from an intake side of the fan (10) to a delivery side;
- a mounting frame (34) that is arranged radially outside the fan housing (30) and resiliently supports the fan arrangement (40);
- a membrane (32), made of an elastic material, which elastically connects the fan housing (30) and the mounting frame (34) to one another and is equipped with apertures (33) that, in the event of a closure of the delivery side of the fan arrangement (40), enable a return flow, from the delivery side to the intake side of the fan arrangement (40), of air conveyed by the blower wheel (18);
- and
- wherein the membrane (32) is connected to the mounting frame (34) substantially over the latter's entire inner circumference.
A fan arrangement that comprises:
- a fan (10) that has a fan housing (30) within which is arranged a blower wheel (18) which, in operation, conveys air from an intake side of the fan (10) to a delivery side;
- a mounting frame (34) that is arranged radially outside the fan housing (30) and resiliently supports the fan arrangement (40);
- a membrane (32), made of an elastic material, which elastically connects the fan housing (30) and the mounting frame (34) to one another and is equipped with apertures (33) that, in the event of a closure of the delivery side of the fan arrangement (40), enable a return flow, from the delivery side to the intake side of the fan arrangement (40), of air conveyed by the blower wheel (18);
- and
- wherein the membrane (32) is adhesively connected to at least one of the fan housing (30) and the mounting frame (34).
Dependencies are inferred from the claim text.