IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0104429
(2011-05-10)
|
등록번호 |
US-8753430
(2014-06-17)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
9 |
초록
▼
Rotary valves are disclosed, comprising a seal sheet affixed to a rotor. At least some area, namely a “rotor plate surface mating area” is provided, over which a seal sheet anchoring assembly can directly abut, along a planar portion, the rotor plate surface that is in contact with the seal sheet. T
Rotary valves are disclosed, comprising a seal sheet affixed to a rotor. At least some area, namely a “rotor plate surface mating area” is provided, over which a seal sheet anchoring assembly can directly abut, along a planar portion, the rotor plate surface that is in contact with the seal sheet. This advantageously provides an area of direct contacting between the seal sheet anchoring assembly, or one of its components, and the rotor plate, with the abutting surfaces being defined by consistently rigid materials (e.g., metals such as stainless steel) that undergo substantially no deformation, compression, or softening over conditions of normal operation.
대표청구항
▼
1. A rotary valve comprising: a rotor plate and a seal sheet affixed at adjoining, first rotor plate and first seal sheet surfaces, using at least one seal sheet anchoring assembly,wherein the rotor plate and seal sheet are rotatable about a stationary track plate, and wherein the seal sheet anchori
1. A rotary valve comprising: a rotor plate and a seal sheet affixed at adjoining, first rotor plate and first seal sheet surfaces, using at least one seal sheet anchoring assembly,wherein the rotor plate and seal sheet are rotatable about a stationary track plate, and wherein the seal sheet anchoring assembly is secured into the first rotor plate surface and has a rotor plate surface mating area abutting the first rotor plate surface that is in contact with the seal sheet surface. 2. The rotary valve of claim 1, wherein a ratio of the rotor plate surface mating area to a bore area for securing the anchoring assembly into the first rotor plate surface is at least about 0.5:1. 3. The rotary valve of claim 2, wherein the ratio of the rotor plate surface mating area to the bore area is at least about 1:1. 4. The rotary valve of claim 1, wherein the seal sheet anchoring assembly has a seal sheet mating area abutting the seal sheet. 5. The rotary valve of claim 4, wherein the rotor plate surface mating area and the seal sheet mating area are annular. 6. The rotary valve of claim 4, wherein the seal sheet mating area is recessed into a second seal sheet surface for sealing against a stationary track plate. 7. The rotary valve of claim 6, wherein the seal sheet anchoring assembly has an exposed surface substantially flush with the second seal sheet surface. 8. The rotary valve of claim 1, wherein the seal sheet anchoring assembly is a single piece. 9. The rotary valve of claim 1, wherein the seal sheet anchoring assembly comprises a rotor plate engaging member passing through a seal sheet hold down element. 10. The rotary valve of claim 9, wherein the rotor plate engaging member comprises a securing element that is threaded. 11. The rotary valve of claim 1, wherein the rotor plate surface mating area abuts the first rotor plate surface to provide metal-to-metal contact. 12. The rotary valve of claim 11, wherein the seal sheet is non-metallic. 13. The rotary valve of claim 12, wherein the seal sheet is formed of a polymer. 14. The rotary valve of claim 1, comprising a plurality of seal sheet anchoring assemblies secured into the first rotor plate surface and having rotor plate surface mating areas abutting the first rotor plate surface. 15. The rotary valve of claim 14, further comprising: (a) a stator comprising a stationary track plate in face-to-face, sealing contact with the seal sheet at a second seal sheet surface that is opposite the first seal sheet surface adjoining the rotor plate, and(b) a rotor comprising the rotor plate and further comprising crossover piping for conveying fluids from any of a multitude of fluid ports on a periphery of the stator, to each of several tracks of the track plate.
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