Sound-proofing housing (31), which comprises a first housing part (41) having an intake opening (44) and comprises a second housing part (51) having a discharge opening, wherein a shaped part (61) arranged in the housing (31) is also provided, of which the flange seal (63) comes to rest between the
Sound-proofing housing (31), which comprises a first housing part (41) having an intake opening (44) and comprises a second housing part (51) having a discharge opening, wherein a shaped part (61) arranged in the housing (31) is also provided, of which the flange seal (63) comes to rest between the housing parts (41, 51) when the housing (31) is put together. The acoustic emission generated by the fan is considerably reduced by a specific embodiment of the shaped part (61) with air passage openings and air-guiding devices.
대표청구항▼
1. A sound-proofing housing for a respirator comprising: a first housing part;said first housing part having an intake opening permitting entry of air into said housing;a fan arranged in said housing to draw in air;a second housing part;said second housing part having a discharge opening;a shaped pa
1. A sound-proofing housing for a respirator comprising: a first housing part;said first housing part having an intake opening permitting entry of air into said housing;a fan arranged in said housing to draw in air;a second housing part;said second housing part having a discharge opening;a shaped part arranged in said housing, said shaped part forming a flange seal resting between said first and second housing parts;an intake region in said housing;a delivery region in said housing;said shaped part dividing said housing into said intake and delivery regions;said flange seal having an intake side facing said intake region;a fan receptacle configured to hold said fan, said fan receptacle protruding from said intake side of said flange seal, said fan receptacle having a free end;air guides configured to guide air drawn at least through said flange seal into said delivery region of said housing by said fan;a support flange, said support flange having at least one air passage opening, said support flange having contact sides contacting inside said housing, said support flange being provided in a region of the free end of said fan receptacle; and,at least one further air passage opening for air drawn in by said fan, said at least one further air passage opening being provided in said fan receptacle adjacent to said flange seal intake side. 2. The sound-proofing housing for a respirator as claimed in claim 1 further comprising: lip seals provided on said support flange contact sides. 3. The sound-proofing housing for a respirator as claimed in claim 1 further comprising: an intake-side guide element protruding from said support flange, said intake-side guide element having at least one respective air passage opening. 4. The sound-proofing housing for a respirator as claimed in claim 3 further comprising: said intake-side guide element is providing a support portion extending between said intake-side air guide and said support flange. 5. The sound-proofing housing for a respirator as claimed in claim 3 further comprising: a guide receptacle receiving at least a portion of said intake-side guide element, said guide receptacle resting in the same housing part as saidintake-side guide element. 6. The sound-proofing housing for a respirator as claimed in claim 1 further comprising: a respective one of said first and second housing parts includes at least one fastening dome, said at least one fastening dome protruding from a free edge of said respective one of said first and second housing parts;the respective other one of said first and second housing parts including at least one fastening dome recess configured to receive said at least one fastening dome; and,a stop for said at least one fastening dome, said stop being provided in said fastening dome recess to define spacing between assembled first and second housing parts. 7. The sound-proofing housing for a respirator as claimed in claim 6 further comprising: a dome through-opening in said flange seal, said dome through-opening being peripherally closed. 8. The sound-proofing housing for a respirator as claimed in claim 1 further comprising: a delivery-side guide element, said delivery-side guide element protruding from a delivery side of said flange seal; and,at least one support portion for said delivery-side guide element extending from said delivery-side guide element to said flange seal. 9. The sound-proofing housing for a respirator as claimed in claim 1 further comprising: at least one cable through-opening provided in said flange seal, said at least one cable through-opening being provided in an encompassing portion protruding from said flange seal;a housing recess configured to receive at least a portion of said encompassing portion, said housing recess being provided in the same housing part as said encompassing portion of said flange seal. 10. The sound-proofing housing for a respirator as claimed in claim 1 further comprising: at least one cable through-opening provided in said support flange. 11. The sound-proofing housing for a respirator as claimed in claim 3 further comprising: at least one cable through-opening provided in said intake-side guide element. 12. The sound-proofing housing for a respirator as claimed in claim 1 further comprising: an air passage opening provided in said flange seal; and,a guide portion, said guide portion connecting said air passage opening of said flange seal to a delivery-side outlet of said fan. 13. The sound-proofing housing for a respirator as claimed in claim 1 further comprising: a flange seal support arranged on said intake side of said flange seal. 14. The sound-proofing housing for a respirator as claimed in claim 1 further comprising: said shaped part including a first portion that includes said flange seal, said shaped part including a second portion that includes said fan receptacle; and,a fixing device configured to connect said shaped part first portion to said shaped part second portion. 15. The sound-proofing housing for a respirator as claimed in claim 14 further comprising: said fixing device including at least one fixing cam provided on said second portions of said shaped part, said fixing device also including at least one fixing cam receptacle provided on said first portions of said shaped part; and,said fixing device providing at least some spacing between said first and second portions in assembly, an intake gap being formed by said spacing, said intake gap having the form of at least one additional air passage opening. 16. A sound-proofing housing for a respirator comprising: a first housing part;said first housing part having an intake opening permitting entry of air into said housing;a fan arranged in said housing to draw in air;a second housing part;said second housing part having a discharge opening;a shaped part arranged in said housing, said shaped part forming a flange seal resting between said first and second housing parts;an intake region in said housing;a delivery region in said housing;said shaped part dividing said housing into said intake and delivery regions;said flange seal having an intake side facing said intake region;a fan receptacle configured to hold said fan, said fan receptacle protruding from said intake side of said flange seal, said fan receptacle having a free end;air guides configured to guide air drawn at least through said flange seal into said delivery region of said housing by said fan;a support flange, said support flange having at least one air passage opening, said support flange having contact sides contacting inside said housing, said support flange being provided in a region of the free end of said fan receptacle;at least one further air passage opening for air drawn in by said fan, said at least one further air passage opening being provided in said fan receptacle adjacent to said flange seal intake side; and,an intake-side guide element protruding from said support flange. 17. The sound-proofing housing for a respirator as claimed in claim 16 further comprising: said intake-side guide element is providing a support portion extending between said intake-side guide element and said support flange. 18. The sound-proofing housing for a respirator as claimed in claim 16 further comprising: a guide receptacle receiving at least a portion of said intake-side guide element, said guide receptacle resting in the same housing part as said intake-side guide element. 19. The sound-proofing housing for a respirator as claimed in claim 16 further comprising: a delivery-side guide element, said delivery-side guide element protruding from a delivery side of said flange seal; and,at least one support portion for said delivery-side guide element extending from said delivery-side guide element to said flange seal. 20. The sound-proofing housing for a respirator as claimed in claim 16 further comprising: said shaped part including a first portion that includes said flange seal, said shaped part including a second portion that includes said fan receptacle; and,a fixing device configured to connect said shaped part first portion to said shaped part second portion. 21. A sound-proofing housing for a respirator, said sound-proofing housing comprising: a first housing part having an intake opening for entry of air into said sound-proofing housing, air being drawn in by a fan arranged in said sound-proofing housing;a second housing part having a discharge opening for discharge of drawn-in air from said sound-proofing housing;a shaped part arranged in said sound-proofing housing, said shaped part forming a flange seal, said flange seal is sandwiched between said first housing part and said second housing part, said shaped part dividing said sound-proofing housing into an intake region and a delivery region;a fan receptacle for holding said fan in said sound-proofing housing, said fan receptacle protruding from an intake side of said flange seal facing said intake region, said fan receptacle including an air passage opening for air drawn by said fan, said air passage opening being disposed adjacent to said intake side of said flange seal;a support flange provided in a region of a free end of said fan receptacle, said support flange including contact sides in contact with an inner side of said first housing part and a non-contact side not in contact with said inner side of said first housing part when the housing is put together; andan intake-side guide element including a second air passage opening for air drawn in by said fan, said intake-side guide element protruding from a side of said support flange, said side is remote from said intake side of said flange seal, said intake-side guide element is adjacent to said non-contact side of said support flange, wherein air drawn by said fan entering through said intake opening passes through said air passage opening of said intake-side guide element, then between said non-contact side of said support flange and said first housing part, and then through said air passage opening of said fan receptacle. 22. The sound-proofing housing according to claim 21, further comprising seal elements on said contact sides of said support flange. 23. The sound-proofing housing according to claim 21, further comprising at least one support portion for said intake-side guide element , said at least one support portion extending from said intake-side guide element to said support flange. 24. The sound-proofing housing according to claim 21, further comprising at least one guide receptacle for receiving a portion of said intake-side guide element in said first housing part. 25. The sound-proofing housing according to claim 21, wherein said first housing part including at least one fastening dome, said at least one fastening dome protruding from a free edge of said first housing part, and said second housing part including at least one fastening dome recess for receiving said at least one fastening dome, said fastening dome recess having a stop for said at least one fastening dome to ensure a defined spacing between housing parts when said sound-proofing housing is put together. 26. The sound-proofing housing according to claim 25, further including at least one dome through-opening in said flange seal for passage of said at least one fastening dome, said at least one dome through-opening being peripherally closed. 27. The sound-proofing housing according to claim 21, further comprising a delivery-side guide element in a form of a further air-guiding device on said flange seal, said delivery-side guide element protruding from a delivery side of said flange seal, which is arranged opposite said intake side of said flange seal, andat least one support portion for said delivery-side guide element , said at least one support portion for said delivery-side guide element extending from said delivery-side guide element to said flange seal. 28. The sound-proofing housing according to claim 21, further comprising: at least one cable through-opening in said flange seal for passage of cables to wire said fan, said at least one cable through-opening being provided in an encompassing portion, which protrudes from said flange seal, anda housing recess for receiving at least a region of said encompassing portion in said first housing part in which said encompassing portion comes to rest when the sound-proofing housing is put together. 29. The sound-proofing housing according to claim 21, further comprising at least one cable through-opening in said support flange for passage of cables to wire said fan. 30. The sound-proofing housing according to claim 21, further comprising at least one cable through-opening for passage of cables to wire said fan in said support flange and/or in said intake-side guide element. 31. The sound-proofing housing according to claim 21, further comprising: at least one air passage opening in said flange seal, said at least one air passage opening is spaced from an edge of said flange seal, anda guide portion, which connects said at least one air passage opening to a delivery-side outlet of said fan. 32. The sound-proofing housing according to claim 21, further comprising a support element to support said flange seal , said support element is located on said intake side of said flange seal. 33. The sound-proofing housing according to claim 21, wherein said shaped part including at least two parts: a first shaped part portion having at least said flange seal, andat least one further shaped part portion having at least said fan receptacle, and a fixing device for connecting said first shaped part portion to said at least one further shaped part portion. 34. The sound-proofing housing according to claim 33, wherein said fixing device including: at least one fixing cam provided on one of said shaped part portions, andat least one fixing cam receptacle provided on another of said shaped part portion, said at least one fixing cam being fixable in said at least one fixing cam receptacle, said fixing device being formed in such way that, when said shaped part portions have been joined, they are spaced from each other, at least in a one area , so that an intake gap for air drawn in by said fan is maintained in a form of at least one further air passage opening.
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