CA2426344C - Systeme d'aspirateur central avec attenuation acoustique - Google Patents
Systeme d'aspirateur central avec attenuation acoustique Download PDFInfo
- Publication number
- CA2426344C CA2426344C CA002426344A CA2426344A CA2426344C CA 2426344 C CA2426344 C CA 2426344C CA 002426344 A CA002426344 A CA 002426344A CA 2426344 A CA2426344 A CA 2426344A CA 2426344 C CA2426344 C CA 2426344C
- Authority
- CA
- Canada
- Prior art keywords
- canister
- cooling air
- canopy
- hollow interior
- exhaust port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000013016 damping Methods 0.000 title claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 230000037361 pathway Effects 0.000 claims abstract description 26
- 239000006260 foam Substances 0.000 claims abstract description 18
- 239000011358 absorbing material Substances 0.000 claims abstract description 8
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims abstract description 8
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 229920005830 Polyurethane Foam Polymers 0.000 claims 1
- 239000002991 molded plastic Substances 0.000 claims 1
- 239000011496 polyurethane foam Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000005192 partition Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 238000010407 vacuum cleaning Methods 0.000 description 1
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Motor Or Generator Frames (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/563,287 US5737797A (en) | 1995-11-28 | 1995-11-28 | Central vacuum with acoustical damping |
| US08/563,287 | 1995-11-28 | ||
| CA002191049A CA2191049C (fr) | 1995-11-28 | 1996-11-22 | Systeme d'aspirateur central avec attenuation acoustique |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002191049A Division CA2191049C (fr) | 1995-11-28 | 1996-11-22 | Systeme d'aspirateur central avec attenuation acoustique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2426344A1 CA2426344A1 (fr) | 1997-05-29 |
| CA2426344C true CA2426344C (fr) | 2005-08-02 |
Family
ID=25678852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002426344A Expired - Lifetime CA2426344C (fr) | 1995-11-28 | 1996-11-22 | Systeme d'aspirateur central avec attenuation acoustique |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2426344C (fr) |
-
1996
- 1996-11-22 CA CA002426344A patent/CA2426344C/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2426344A1 (fr) | 1997-05-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20161122 |