专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

31. 发明专利

DE69507877D1 未知
公开(公告)号：DE69507877D1
公开(公告)日：1999-03-25
申请号：DE69507877
申请日：1995-11-17
申请人： FUJIKIN KK
发明人： DAIDO KUNIHIKO , YOSHIKAWA KAZUHIRO , OGAWA SHUHEI
IPC分类号： F16K31/122 , F16K31/126 , F16K41/10 , F16K51/02
摘要： An actuator comprises a valve case (1) opened upward, a gas-driven actuator (2) having a fixed portion provided on the valve case and fixed thereto and an operating portion movable upward and downward by a drive gas when the gas flows in or out, a valve stem (3) extending upward from inside the valve case to above the case and having its upper end fixed to the operating portion of the actuator, and a valve element (4) provided on the lower end of the valve stem. A valve case fluid seal bellows (29) and an actuator gas seal bellows (30) are connected between the valve stem and the actuator fixed portion and between the actuator fixed portion and operating portion, respectively. A vacuum is contained in a closed space formed by the valve stem, fluid seal bellows, actuator fixed portion, gas seal bellows and actuator operating portion. The variations in the internal pressure of the closed space due to variations in the ambient temperature are much smaller than the pressure of the drive gas, so that the flow rate of fluid remains unchanged by the variations in the ambient temperature.

32. 发明专利

AU2003281316A1 PARTS FOR FLUID 未知
公开(公告)号：AU2003281316A1
公开(公告)日：2004-01-23
申请号：AU2003281316
申请日：2003-07-09
申请人： FUJIKIN KK
发明人： DAIDO KUNIHIKO , AKAMOTO HISATOSHI , KIMURA YOSHIKI , MATSUHASHI RYO , SUETSUGU KAZUHIRO , MIYAGAWA HIDEYUKI , KITA TOSHIO , SOGABE KYOTA , YOSHIKAWA KAZUHIRO , MORIMOTO AKIHIRO , SATO JYUNJI
IPC分类号： C22C38/00 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/58 , F16K7/12 , F16K25/00 , F16K27/00 , F16K27/02 , F16K31/122 , F16L19/08
摘要： A specified metal member included among the components of a valve, coupling or like fluid handling part for use in piping and fluid control devices is made of an alloy comprising, in % by weight, 0.001 to 0.01% of C, up to 5% of Si, up to 2% of Mn, up to 0.03% of P, up to 100 ppm of S, up to 50 ppm of O, 18 to 25% of Cr, 15 to 25% of Ni, 4.5 to 7.0% of Mo, 0.5 to 3.0% of Cu, 0.1 to 0.3% of N, and the balance substantially Fe and other inevitable impurities, the alloy having a CRI (crevice corrosion resistance index) value in the range of 40 ≤ CRI ≤ 55, as determined from the expression CRI = ÄCrÜ + 4 x ÄMoÜ + 30 x ÄNÜ wherein the amount of alloy components present in combination in the alloy to ensure crevice corrosion resistance are expressed in %by weight.

33. 发明专利

DE69813730T2 未知
公开(公告)号：DE69813730T2
公开(公告)日：2003-10-16
申请号：DE69813730
申请日：1998-11-13
申请人： FUJIKIN KK
发明人： OGAWA SHUHEI , YOSHIKAWA KAZUHIRO
IPC分类号： F16K7/12 , F16J15/04 , F16K7/16 , F16K41/12
摘要： Flat annular upper and lower surfaces of a support step (5c) of a valve seat holder (5) and a deflection limiter (6) are formed with different outer diameters so that bending stresses occur in different regions of a diaphragm (7) depending on whether the diaphragm center is fixed upwardly or downwardly. The valve seat holder has a shaft (5a) extending upwardly through central openings in the diaphragm and the deflection limiter. The deflection limiter, the diaphragm and the valve seat holder are welded together by a weld extending through the flat bottom portion of the deflection limiter and the inner peripheral edge of the diaphragm to the flat surface on the seat holder, so that an airtight seal is formed between the valve chamber and the passage for the shaft.

34. 发明专利

DE69613638T2 未知
公开(公告)号：DE69613638T2
公开(公告)日：2002-05-02
申请号：DE69613638
申请日：1996-06-24
申请人： FUJIKIN KK
发明人： YAMAJI MICHIO , YOSHIKAWA KAZUHIRO , ITOI SHIGERU
IPC分类号： F16K7/17 , C22C19/05 , C22F1/10 , F16K7/16 , F16K41/12 , F16K7/00
摘要： In a diaphragm valve designed to seal with a metal diaphragm, corrosion resistance and strength of the diaphragm are improved by forming the diaphragm from a thin alloy sheet containing, by weight, 12.5-14.5% Mo, 20.0-22.5% Cr, 2.0-6% Fe, 2.5-3.5% W, 2.5% or less Co, 0.015% or less C, 0.08% or less Si, 0.50% or less Mn, 0.35% or less V, 0.02% or less P, 0.02% or less S and the remainder Ni. The thin alloy sheet is cold-rolled after annealing to enhance the strength of the diaphragm.

35. 发明专利

DE69613638D1 未知
公开(公告)号：DE69613638D1
公开(公告)日：2001-08-09
申请号：DE69613638
申请日：1996-06-24
申请人： FUJIKIN KK
发明人： YAMAJI MICHIO , YOSHIKAWA KAZUHIRO , ITOI SHIGERU
IPC分类号： F16K7/17 , C22C19/05 , C22F1/10 , F16K7/16 , F16K41/12 , F16K7/00
摘要： In a diaphragm valve designed to seal with a metal diaphragm, corrosion resistance and strength of the diaphragm are improved by forming the diaphragm from a thin alloy sheet containing, by weight, 12.5-14.5% Mo, 20.0-22.5% Cr, 2.0-6% Fe, 2.5-3.5% W, 2.5% or less Co, 0.015% or less C, 0.08% or less Si, 0.50% or less Mn, 0.35% or less V, 0.02% or less P, 0.02% or less S and the remainder Ni. The thin alloy sheet is cold-rolled after annealing to enhance the strength of the diaphragm.

36. 发明专利

CA2253988C METAL DIAPHRAGM TYPE VALVE 未知
公开(公告)号：CA2253988C
公开(公告)日：2001-05-29
申请号：CA2253988
申请日：1998-11-12
申请人： FUJIKIN KK
发明人： YOSHIKAWA KAZUHIRO , OGAWA SHUHEI
IPC分类号： F16K7/12 , F16J15/04 , F16K7/16 , F16K41/12
摘要： A metal diaphragm type valve includes a valve seat holder supported from a rotatable valve stem, a metal diaphragm and a deflection limiter. The valve seat holder has a shaft extending upwardly through central openings in the diaphragm and the deflection limiter. A diaphragm support step having an annular flat surface joining an arcuate shoulder is provided around the shaft of the valve seat holder and the inner peripheral edge of the diaphragm rests on the flat surface. The deflection limiter has a flat bottom surface facing the top surface of the diaphragm and an arcuate surface extends radially outwardly from the flat bottom surface. The deflection limiter, diaphragm and valve seat holder are welded together by a weld extending through the flat bottom portion of the deflection limiter and the inner peripheral edge of the diaphragm to the flat surface on the seat holder, the weld forming an air-tight seal between the valve chamber and the passage for the shaft. The radial dimensions of the flat surfaces are different so that bending stresses occur in different regions of the diaphragm depending on whether the valve is opened or closed.

37. 发明专利

DE69507877T2 未知
公开(公告)号：DE69507877T2
公开(公告)日：1999-07-22
申请号：DE69507877
申请日：1995-11-17
申请人： FUJIKIN KK
发明人： DAIDO KUNIHIKO , YOSHIKAWA KAZUHIRO , OGAWA SHUHEI
IPC分类号： F16K31/122 , F16K31/126 , F16K41/10 , F16K51/02
摘要： An actuator comprises a valve case (1) opened upward, a gas-driven actuator (2) having a fixed portion provided on the valve case and fixed thereto and an operating portion movable upward and downward by a drive gas when the gas flows in or out, a valve stem (3) extending upward from inside the valve case to above the case and having its upper end fixed to the operating portion of the actuator, and a valve element (4) provided on the lower end of the valve stem. A valve case fluid seal bellows (29) and an actuator gas seal bellows (30) are connected between the valve stem and the actuator fixed portion and between the actuator fixed portion and operating portion, respectively. A vacuum is contained in a closed space formed by the valve stem, fluid seal bellows, actuator fixed portion, gas seal bellows and actuator operating portion. The variations in the internal pressure of the closed space due to variations in the ambient temperature are much smaller than the pressure of the drive gas, so that the flow rate of fluid remains unchanged by the variations in the ambient temperature.

38. 发明专利

DE69502805T2 未知
公开(公告)号：DE69502805T2
公开(公告)日：1999-01-14
申请号：DE69502805
申请日：1995-09-26
申请人： FUJIKIN KK
发明人： YOSHIKAWA KAZUHIRO , KOJIMA TETSUYA
IPC分类号： F16K7/16 , F16J3/02 , F16K41/12

39. 发明专利

CA2181532A1 Fluid Controller 未知
公开(公告)号：CA2181532A1
公开(公告)日：1997-01-25
申请号：CA2181532
申请日：1996-07-18
申请人： FUJIKIN KK
发明人： SHINOHARA TSUTOMU , IKEDA NOBUKAZU , YOSHIKAWA KAZUHIRO , KOJIMA TETSUYA
IPC分类号： F16K7/17 , F16K7/14 , F16K25/00 , F16K41/10 , F16K41/12 , F16K7/16
摘要： Flaws in a fluid controller caused by nonmetallic inclusions in material during machining of a contact surface of a valve seat are prevented by forming the valve seat (1d) of corrosion-resistant high-cleanliness material. The valve seat of the fluid controller is formed from corrosion-resistant alloy with 0.05% or less cleanliness and containing in weight ratio 12.90 - 15.00% Ni, 16.50 - 18.00% Cr, 2.00 - 3.00% Mo, 0.02% or less C, 0.30% or less Si, 0.40% or less Mn, 0.03% or less P, 0.003% or less S, 0.25% or less Cu, and 0.01% or less Al. Fluid leakage is almost completely prevented (100%) by such a valve seat.

40. 发明专利

CA2163613A1 CONTROLLER 未知
公开(公告)号：CA2163613A1
公开(公告)日：1996-11-11
申请号：CA2163613
申请日：1995-11-23
申请人： FUJIKIN KK
发明人： DAIDO KUNIHIKO , YOSHIKAWA KAZUHIRO , OGAWA SHUHEI
IPC分类号： F16K31/122 , F16K31/126 , F16K41/10 , F16K51/02 , F16K31/128
摘要： An actuator comprises a valve case opened upward, a gas-driven actuator having a fixed portion provided on the valve case and fixed thereto and an operating portion movable upward and downward by a drive gas when the gas flows in or out, a valve stem extending upward from inside the valve case to above the case and having its upper end fixed to the operating portion of the actuator, and a valve element provided on the lower end of the valve stem. A valve case fluid seal bellows and an actuator gas seal bellows are connected between the valve stem and the actuator fixed portion and between the actuator fixed portion and operating portion, respectively. A vacuum is contained in a closed space formed by the valve stem, fluid seal bellows, actuator fixed portion, gas seal bellows and actuator operating portion. The variations in the internal pressure of the closed space due to variations in the ambient temperature are much smaller than the pressure of the drive gas, so that the flow rate of fluid remains unchanged by the variations in the ambient temperature.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式