IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0359316
(2012-01-26)
|
등록번호 |
US-8806750
(2014-08-19)
|
발명자
/ 주소 |
- Hurtado, Fernando Treviño
|
출원인 / 주소 |
- Hurtado, Fernando Treviño
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
20 |
초록
▼
A forced oscillation radial seal is described for regenerative air preheaters which contain rotatable radial plates having upper and lower edges. The forced oscillation seal includes a base with a first portion attached to a lateral face of the plates adjacent the upper and lower edges, and a second
A forced oscillation radial seal is described for regenerative air preheaters which contain rotatable radial plates having upper and lower edges. The forced oscillation seal includes a base with a first portion attached to a lateral face of the plates adjacent the upper and lower edges, and a second free portion, with a pivot system having an axis attached to the second free portion, and a rigid sealing sheet with a first free portion, second portion, and central portion, the sealing sheet attached at its central portion to the pivot system. The forced oscillation seal includes a counterweight attached to the sealing sheet so the sealing sheet reassumes a vertical position after forming a seal with a sealing surface, and a plurality of springs in contact with the sealing sheet and base along the axis of the pivot system, which cooperate with the counterweights to force the seal to oscillate.
대표청구항
▼
1. A forced oscillation radial seal to prevent leaks of air stream to a gas stream in regenerative air preheaters containing rotatable radial plates having upper and lower edges, comprising: a base with a first portion and a second free portion, the first portion fixedly attached to a lateral face o
1. A forced oscillation radial seal to prevent leaks of air stream to a gas stream in regenerative air preheaters containing rotatable radial plates having upper and lower edges, comprising: a base with a first portion and a second free portion, the first portion fixedly attached to a lateral face of the plates adjacent to their upper and lower edges;a pivot system having an axis attached to the second free portion of the base,a rigid sealing sheet with a first free portion, an opposite second portion, and a central portion, the rigid sealing sheet attached at its central portion to the pivot system;a counterweight attached to the rigid sealing sheet so that the rigid sealing sheet reassumes a vertical position after forming a seal with a sealing surface, anda plurality of springs in contact with the rigid sealing sheet and the base along the axis of the pivot system that cooperate with the counterweights to force the seal to oscillate. 2. The forced oscillation radial seal of claim 1, wherein the counterweight is attached to the free first portion of the rigid sealing sheet. 3. The forced oscillation radial seal of claim 1, wherein the counterweight is attached to the second portion of the rigid sealing sheet. 4. A method for preventing radial leaks in a regenerative air preheater containing rotatable radial plates having upper and lower edges, comprising: providing a forced oscillation radial seal to prevent leaks of air stream to a gas stream in the regenerative air preheater, the forced oscillation radial seal comprising: a base with a first portion and a second free portion, the first portion fixedly attached to a lateral face of the plates adjacent to their upper and lower edges,a pivot system having an axis attached to the second free portion of the base,a rigid sealing sheet with a first free portion, an opposite second portion, and a central portion, the rigid sealing sheet attached at its central portion to the pivot system,a counterweight attached to the rigid sealing sheet so that the rigid sealing sheet reassumes a vertical position after forming a seal with a sealing surface, anda plurality of springs in contact with the rigid sealing sheet and the base along the axis of the pivot system that cooperate with the counterweights to force the seal to oscillate, andinstalling, adjacent to the upper and lower edges of the plates, the forced oscillation radial seal. 5. A method for reconditioning a regenerative air preheater containing rotatable radial plates having upper and lower edges, comprising: providing a forced oscillation radial seal to prevent leaks of air stream to a gas stream in the regenerative air preheater, the forced oscillation radial seal comprising: a base with a first portion and a second free portion, the first portion fixedly attached to a lateral face of the plates adjacent to their upper and lower edges,a pivot system having an axis attached to the second free portion of the base,a rigid sealing sheet with a first free portion, an opposite second portion, and a central portion, the rigid sealing sheet attached at its central portion to the pivot system,a counterweight attached to the rigid sealing sheet so that the rigid sealing sheet reassumes a vertical position after forming a seal with a sealing surface, anda plurality of springs in contact with the rigid sealing sheet and the base along the axis of the pivot system that cooperate with the counterweights to force the seal to oscillate, andinstalling, adjacent to the upper and lower edges of the plates, the forced oscillation radial seal.
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