公开(公告)号：WO2007041892A1

公开(公告)日：2007-04-19

申请号：PCT/CN2005/001650

申请日：2005-10-08

Applicant: 宋永生

Inventor： 宋永生

IPC: F16K5/06

CPC classification number: F16K5/0657 ,  F16K25/04

Abstract: A shut-off valve suitable for flowing the fluid with solid particle, especially with the granulae of crystal or polymer, is composed of a shut-off core, which rotates or moves along a line between an upstream passage and a downstream passage. The shut-off core is improved, wherein the length the core passes through becomes larger from a position the valve is completely closed to the other position the core opens initially the flow passage. So the annular seal surface, which seals with the valve seat on the upstream surface when the valve is closed, will not or less suffer from the erosion of the above said flow when the valve is shifted or throttled.

公开(公告)号：WO2011076090A1

公开(公告)日：2011-06-30

申请号：PCT/CN2010/079974

申请日：2010-12-20

Applicant: 广东风华高新科技股份有限公司 ,  宋蓓蓓 ,  宋永生 ,  莫方策 ,  李娟 ,  王孝国 ,  郭精华

Inventor： 宋蓓蓓 ,  宋永生 ,  莫方策 ,  李娟 ,  王孝国 ,  郭精华

IPC: C04B35/16 ,  C04B35/622

CPC classification number: C04B35/20 ,  C04B35/62685 ,  C04B2235/3201 ,  C04B2235/3203 ,  C04B2235/3208 ,  C04B2235/3215 ,  C04B2235/3232 ,  C04B2235/3244 ,  C04B2235/3267 ,  C04B2235/3281 ,  C04B2235/3284 ,  C04B2235/3298 ,  C04B2235/3409 ,  C04B2235/3418 ,  C04B2235/3445 ,  C04B2235/652

公开(公告)号：WO2011076091A1

公开(公告)日：2011-06-30

申请号：PCT/CN2010/079975

申请日：2010-12-20

Applicant: 广东风华高新科技股份有限公司 ,  宋蓓蓓 ,  宋永生 ,  莫方策 ,  任海东 ,  王孝国 ,  郭精华

Inventor： 宋蓓蓓 ,  宋永生 ,  莫方策 ,  任海东 ,  王孝国 ,  郭精华

IPC: C04B35/14 ,  C04B35/63 ,  H01G4/12

CPC classification number: H01G4/1245 ,  C04B35/20 ,  C04B2235/3201 ,  C04B2235/3203 ,  C04B2235/3208 ,  C04B2235/3215 ,  C04B2235/3217 ,  C04B2235/3232 ,  C04B2235/3244 ,  C04B2235/3267 ,  C04B2235/3284 ,  C04B2235/3298 ,  C04B2235/3409 ,  C04B2235/3418 ,  C04B2235/36 ,  C04B2235/365 ,  H01G4/0085 ,  H01G4/30

公开(公告)号：WO2008031247A1

公开(公告)日：2008-03-20

申请号：PCT/CN2006/002051

申请日：2006-08-14

Applicant: 宋永生

Inventor： 宋永生

IPC: F16K5/06 ,  F16K3/02 ,  F16K3/22

CPC classification number: F16K25/00 ,  F16J15/062 ,  F16J15/324 ,  F16K5/0668

Abstract: In a ball valve or any other kind of valve, a closing part and a valve seat seal surface slide relatively and contact during the valve is opened or closed. One or more annular and oil filling groove or grooves surrounding a valve seat hole is or are formed on the valve seat seal surface, then the abrasion between the closing part and the valve seat seal surface is reduced or avoided.

公开(公告)号：WO2007131388A1

公开(公告)日：2007-11-22

申请号：PCT/CN2006/000980

申请日：2006-05-15

Applicant: 宋永生

Inventor： 宋永生

IPC: F16K3/00 ,  F16K5/00 ,  F16K25/04

CPC classification number: F16K47/045 ,  F16K47/08 ,  Y10T137/86734 ,  Y10T137/86751

Abstract: There is a close part rotating or reciprocating linearly between the upriver flow passage and the downriver flow passage in a valve. A sub passage mechanism is mounted in the upriver flow passage, which is arranged in a row or more rows along the motion direction of the close part. The sub passage mechanism divides the upriver flow passage into two or more sub passages. When the close part rotates or reciprocates linearly, the upriver surface will open or close respectively all of the sub passages in the valve.

公开(公告)号：WO2007087739A1

公开(公告)日：2007-08-09

申请号：PCT/CN2006/000193

申请日：2006-02-05

Applicant: 宋永生

Inventor： 宋永生

IPC: F16K25/04

CPC classification number: F16K25/04 ,  F16K5/06 ,  F16K5/0663 ,  F16K5/201

Abstract: A valve seat can resist erosion of the material, such as solid particle, powder, crystals, granula and/or liquid dripping. An annular auxiliary valve seat is disposed in the upper flow passage of the valve. One end of the seat is fixed on the circumferencial surface of the upper flow passage, and the other end of the seat traverses the seat bore in the upper flow passage of the valve. A mechanism composed of obstacles is disposed on the circumpherential surface along the entire axial length of the seat bore, or along the length of a definite axial distance extending to the upper flow from an end surface being adjacent to one side of the closing member surface in the upper flow in the inner bore of the auxiliary valve seat (or along the entire axial length of the inner bore). The obstacles are disposed on the circumferential surface of one of the said bores and are rectangular or tooth-like grooves and so on, which are concave or convex radially on the circumferential surface and spaced from each other.