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1. 发明专利

JPH0647225A CLEANING DEVICE FOR DUST REMOVING FILTER 失效
公开(公告)号：JPH0647225A
公开(公告)日：1994-02-22
申请号：JP20124392
申请日：1992-07-28
申请人： MITSUBISHI HEAVY IND LTD , CHORYO ENG
发明人： TSUNODA HIDEO , HORIE TETSUO , ARAMAKI MIKIO , UMEKAWA KENJI
IPC分类号： B01D46/24
摘要： PURPOSE:To clean a dust removing filter made of an air permeable porous solid body made by press binding a ceramic with a binder or by sintering under operation and to prevent the clogging of a cleaning nozzle. CONSTITUTION:The dust removing filters 1, 1' are made of the air permeable porous solid body and provided with the cleaning nozzle 3 to eject a cleaning gas in the direction where a dust containing gas is passed through the dust removing filters 1, 1' and a blow-off hole provided around the cleaning nozzle 3 and blowing a gas for preventing clogging in the same direction as that of the cleaning gas.

2. 发明专利

JPH0948679A CERAMIC FILTER ELEMENT AND ITS PRODUCTION 失效
公开(公告)号：JPH0948679A
公开(公告)日：1997-02-18
申请号：JP19758695
申请日：1995-08-02
申请人： MITSUBISHI HEAVY IND LTD
发明人： TSUNODA HIDEO , UMEKAWA KENJI
IPC分类号： B01D39/20 , C04B38/00
摘要： PROBLEM TO BE SOLVED: To obtain a ceramic filter element for high-temperature gas dust removal for removing coal ash generated from a power generating installation using coal as fuel. SOLUTION: This ceramic filter element is obtained by attaching ceramic particles having 2-20μm average particle diameter onto the inner face of a tubular substrate constituted of 10-25 pts.wt. glaze composed of 70-80wt.% SiO2 , 10-16wt.% Al2 O3 , 2.5-4wt.% MgO, 5-10wt.% Na2 O+K2 O and 100 pts.wt. cordierite having 100-400μm main particle diameter.

3. 发明专利

JPH0824541A SEALING STRUCTURE OF CERAMIC PIPE 失效
公开(公告)号：JPH0824541A
公开(公告)日：1996-01-30
申请号：JP16374294
申请日：1994-07-15
申请人： MITSUBISHI HEAVY IND LTD
发明人： TSUNODA HIDEO , URAKATA HISATAKA , UMEKAWA KENJI
IPC分类号： B01D39/20 , B01D46/24 , F16L41/08
摘要： PURPOSE:To secure sealing property and reduce the risk of damage due to thermal stress by placing a metallic pipe having about the same diameter as that of a ceramic pipe coaxially on the ceramic pipe with a packing material and engaging slidably a metallic ring fixed on a plate with the metallic pipe through a ceramic fiber material. CONSTITUTION:The ceramic pipe 1 is placed on a lower tube plate 2 without binding, the metallic pipe 3 coaxial with the ceramic pipe 1 is placed on the ceramic pipe 1 and is connected to a sealing part 5 fixed to a tube plate 4. The metallic pipe 3 on the ceramic pipe l is placed only with a sheet packing 3b, the metallic ring 5a fixed to the tube plate 4 is arranged around the metallic pipe 3 and the space between the metallic ring 5a and the metallic pipe 3 is sealed with the ceramic fiber material 5b, 5c. In this way, the sealing property is secured without binding the ceramic pipe.

4. 发明专利

JPH09174293A FORMING METHOD 失效
公开(公告)号：JPH09174293A
公开(公告)日：1997-07-08
申请号：JP34073595
申请日：1995-12-27
申请人： MITSUBISHI HEAVY IND LTD
发明人： TSUNODA HIDEO , TAKAYANAGI YUTAKA , HAMANAKA SUKEAKI , MATSUMOTO HIROSHI , UMEKAWA KENJI
IPC分类号： B30B11/00 , B22F3/10 , B22F5/12 , B28B3/00
摘要： PROBLEM TO BE SOLVED: To obtain a product having high reliability from powery baking material of complex shaped ceramics and metal, etc., at a low cost by arranging a fixed shaft in the axial direction of plasticity mold for forming in a method of a cold hydrostatic pressing formation to the material having solid long shaft part. SOLUTION: The plasticity mold 31 is the one having a space 32 for filling the powdery material and made of e.g. rubber material. In the surrounding of the plasticity mold 31, the fixed shafts 33, such as metallic bar, are closely stuck with an adhesive mold 34 of the rubber material. This fixed shafts serve, to which the axial direction is fixed and only the peripheral direction is made to shrink. The powdery material is filled from the upper end of the forming mold 35 closing the lower end with a lower plug and an upper plug is laid and sealed so as not to invade a medium at the time of executing the hydrostatic pressure. After sealing with the upper plug and the lower plug of the forming mold filling the powdery material, the pressure is applied in a cold hydrostatic pressure device and the powdery material is formed and taken out. By this method, the powdery material can be formed in high precision.

5. 发明专利

JPH08164311A CONNECTING STRUCTURE OF CERAMIC PIPE 失效
公开(公告)号：JPH08164311A
公开(公告)日：1996-06-25
申请号：JP30874794
申请日：1994-12-13
申请人： MITSUBISHI HEAVY IND LTD
发明人： TSUNODA HIDEO , URAKATA HISATAKA , KITAGAWA YUICHIRO , UMEKAWA KENJI
IPC分类号： F16L49/00 , B01D39/20 , B01D46/24
摘要： PURPOSE: To restrain stress generated in ceramic pipe which is fragile and easy to break to the minimum to prevent breakage even when a mating member to be connected of a ceramic element undergoes large deformation by fitting a short metal pipe in the inside of a metal pipe fitted to an upper tubesheet through a seal material to slide freely. CONSTITUTION: Ceramics pipes 3, 4 are connected to a mating member through a packing placed on the upper or the lower part of the mating member. In connected parts 5, 6, 7, the packing is not stuck on at least one thereof, and a dead weight load of the upper member is only received in the compression direction to generate no restricting load. Even when high stress which is not anticipated such as earthquake occurs in a tubesheet, a space is left between both the members of the connected part to lower sealability, and this part acts as a safety device to cause dust leak only, and stress is not directly loaded on the ceramic pipes. The function of a sheet packing is to prevent a chip and to restrain dust and gas leakage to the minimum.

6. 发明专利

JP2001270760A FLY ASH-CONTAINING MATERIAL AND MOLDED MATERIAL BY UTILIZING THE SAME 失效
公开(公告)号：JP2001270760A
公开(公告)日：2001-10-02
申请号：JP2000088307
申请日：2000-03-28
申请人： MITSUBISHI HEAVY IND LTD
发明人： TSUNODA HIDEO , TSUKUDA HIROSHI , HASHIMOTO AKIRA , MATSUMOTO SHINYA , UEDA KATSUYUKI , UMEKAWA KENJI
IPC分类号： C04B28/02 , C04B14/42 , C04B18/08 , C04B24/26 , C04B103/00 , C04B111/52
摘要： PROBLEM TO BE SOLVED: To provide a fly ash-containing material having a high added value at a low cost, and a molded material by utilizing the same. SOLUTION: This fly ash-containing material 20 is manufactured by adding a cement 1 and water 2 to the fly ash 10, and then a heat-insulating material 30 is produced as a molded material by adding a sedimentation-preventing material 3 such as a glass fiber, a thickening agent 4 such as a polyvinyl alcohol, a surfactant 5 (only as necessary), a foaming agent (only as necessary) and water 2 to the above material 20, mixing and then pouring the obtained slurry into a mold for cast molding.

7. 发明专利

JP2001047416A MANUFACTURE OF CERAMIC MEMBER AND DEVICE THEREFOR 失效
公开(公告)号：JP2001047416A
公开(公告)日：2001-02-20
申请号：JP22752899
申请日：1999-08-11
申请人： MITSUBISHI HEAVY IND LTD
发明人： TSUNODA HIDEO , UMEKAWA KENJI
IPC分类号： B30B11/00 , B28B3/00 , F01L3/24
摘要： PROBLEM TO BE SOLVED: To constitute a compact manufacturing installation with a capability to apply a low molding pressure, with regard to a manufacturing method and a manufacturing device for a ceramic member such as an engine valve. SOLUTION: This manufacturing method for a ceramic member is to fill a capsule 11 fixed inside a container body 1 with a raw material from a refined granule hopper 22, while oscillating the raw material with the help of an oscillating table (Fig. a) and beat a top plug 24 into the capsule 11 airtightly using a beating device 25 (Fig. b). In addition, the container body 1 is stored in a CIP support 30, then is fixed by a hydraulic cylinder 31 and is pressurized at 200 kgf/cm2 by inducting a hydraulic pressure from a hydraulic pressure supply aperture 4 (Fig. c). Further, the container body 1 is turned upside down by reversing the body 1 and the top plug 24 is prodded up by means of a prodding device 32 to be protruded. An engine valve protruded after molding is sucked with the help of a sucking/conveying device 33 (Fig. d) to be conveyed to a setter 34, where the engine valve is, in turn, set (Fig. e). The sequence of the described steps is repeated to continuously manufacture the engine valve.

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