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1. 发明申请

US20110248449A1 COMBINED SEALING DEVICE FOR A ROTARY SHAFT 审中-公开
标题翻译：用于旋转轴的组合式密封装置
公开(公告)号：US20110248449A1
公开(公告)日：2011-10-13
申请号：US13040351
申请日：2011-03-04
申请人： Decai Li , Xiaolong Yang
发明人： Decai Li , Xiaolong Yang
IPC分类号： F16J15/43
CPC分类号： F16J15/43
摘要： A combined sealing device for a rotary shaft, in which the combined sealing device comprises the ring (5), the left bearing (6), the left septum magnetic ring (7), a magnetic fluid sealing assembly, the right septum magnetic ring (11), and the right bearing (12) which are arranged inside a housing (18) in series, after the magnetic fluid is injected into the pole teeth of pole pieces in the magnetic fluid sealing assembly, the shaft housing is loaded into the inner hole of the above-mentioned parts, then the second end cover (15) is fixed on a housing by screw nails (16) to press the outer ring of the right bearing tightly, after that, the first end cover (14) is fixed on the shaft housing (1) by screw nails (13) to press the inner ring of right bearing tightly, so that a magnetic fluid seal is device is achieved, the left end external surface of the shaft housing is the conical surface, and the left end inner hole of the housing is the taper hole which has the same taper as the left end of shaft housing and in which spiral groove is processed, the left end external conical surface of the shaft housing coordinates with the left end spiral groove of the housing provided in the taper hole, so that a conical spiral seal is achieved. This device has the advantages such as a long service life, a reliable seal, and no pollution.
摘要翻译：一种用于旋转轴的组合密封装置，其中组合的密封装置包括环（5），左轴承（6），左隔膜磁环（7），磁性流体密封组件，右隔膜磁环 11）和右轴承（12），其在磁性流体被注入到磁性流体密封组件中的极片的极齿中之后，串联布置在壳体（18）内部，轴壳体被装载到内部上述部件的孔，然后通过螺钉（16）将第二端盖（15）固定在壳体上，以紧紧地按压右轴承的外圈，之后第一端盖（14）固定通过螺钉（13）在轴壳（1）上紧紧按压右轴承的内圈，从而实现磁流体密封，轴壳的左端外表面为圆锥面，壳体的左端内孔是锥形孔，其具有与左e相同的锥度并且在其中处理螺旋槽的情况下，轴壳体的左端外锥形表面与设置在锥形孔中的壳体的左端螺旋槽配合，从而实现锥形螺旋形密封。该设备具有使用寿命长，密封可靠，无污染等优点。

2. 发明申请

US20110187061A1 STATIC SEALING DEVICE FOR LARGE-DIAMETER FLANGE WITH MAGNETIC FLUID SEAL 审中-公开
标题翻译：用于具有磁性密封件的大直径法兰的静密封装置
公开(公告)号：US20110187061A1
公开(公告)日：2011-08-04
申请号：US13005620
申请日：2011-01-13
申请人： Decai Li , Zhenhua Feng
发明人： Decai Li , Zhenhua Feng
IPC分类号： F16J15/53
摘要： A static sealing device for a large-diameter flange with magnetic fluid seal is provided, the device includes a left flange, magnets, a right flange, a large non-magnetic ring, a small non-magnetic ring, screws, bolts, nuts and washers. The large non-magnetic ring (4) is welded into the annular groove of the left flange (1) when installing, the small non-magnetic ring (5) is welded in the deep-hole of the left flange (1), the large non-magnetic ring (4) and small non-magnetic ring (5) are grinded, then bolts (7), washers (8) and nuts (9) are used to fix the left flange (1) and the right flange (3) together, then magnets (2) are embedded in the circumferential space between the left flange (1) and the right flange (2), a magnetic fluid is injected into the gap between the pole teeth of the left flange (1) and the right flange (3) through filling ports, filling ports are screwed into screws (6), so as to form the magnetic fluid seal. This device can be easily assembled in a very short time and has a high seal pressure capability, and a long service life.
摘要翻译：提供了一种用于具有磁性流体密封件的大直径法兰的静态密封装置，该装置包括左凸缘，磁体，右凸缘，大型非磁性环，小型非磁性环，螺钉，螺栓，螺母和垫圈当安装时，大的非磁性环（4）被焊接到左凸缘（1）的环形槽中，小的非磁性环（5）焊接在左凸缘（1）的深孔中，大型非磁性环（4）和小型非磁性环（5）被研磨，然后使用螺栓（7），垫圈（8）和螺母（9）固定左凸缘（1）和右凸缘 3）一起，则磁体（2）嵌入在左凸缘（1）和右凸缘（2）之间的周向空间中，磁性流体被注入到左凸缘（1）的极齿和右边缘（3）通过填充口，填充口拧入螺钉（6），形成磁性流体密封。该装置可以在很短的时间内轻松组装，并具有高密封压力能力，使用寿命长。

3. 发明申请

US20110215532A1 FERROFLUID SEALING APPARATUS FOR A RECIPROCATING SHAFT 审中-公开
标题翻译：用于复制轴的FERROFLUID密封装置
公开(公告)号：US20110215532A1
公开(公告)日：2011-09-08
申请号：US13040303
申请日：2011-03-04
申请人： Decai Li , Wenming Yang
发明人： Decai Li , Wenming Yang
IPC分类号： F16J15/43
CPC分类号： F16J15/43
摘要： A ferrofluid sealing apparatus for a reciprocating shaft, in which the first bearing, the first magnetism isolating rings, the first pole piece, the first O-shaped rubber seal, a magnet, the second O-shaped rubber seal, the second pole piece, the second magnetism isolating ring, and the second bearing are sandwiched between the two inner bosses of the outer casing in series, an end cover is fixed on the outer casing by means of screws so that the second bearing is pressed, there are provided with three step holes in the inner torus of the second (13) pole piece as the left step hole, the middle step hole, and the right step hole, in which N+1 of elastic rings (T) and trapezoidal teeth (C) are arranged closely with interval of the middle step hole, where N is a positive integer in 1 to 8, the teeth and rings are connected with the second pole piece by means of screws and shield rings (15), the N of trapezoidal teeth (C) are arranged with the same expanding direction of their inner holes, the first pole piece has the same structure with the second pole piece. The invention can overcome the problems of loss of ferrofluid, decrease of the sealing life, and increase of the leakage rate.
摘要翻译：一种用于往复式轴的铁磁流体密封装置，其中第一轴承，第一磁性隔离环，第一极靴，第一O形橡胶密封件，磁体，第二O形橡胶密封件，第二极靴，第二磁隔离环和第二轴承串联在外壳的两个内凸起之间，端盖通过螺钉固定在外壳上，使得第二轴承被按压，设有三个第二（13）极片的内环的步进孔作为左步进孔，中间步进孔和右步骤孔，其中N + 1的弹性环（T）和梯形齿（C）被布置与中间阶梯孔的间隔紧密相关，其中N为1至8的正整数，齿和环通过螺钉和屏蔽环（15）与第二极片连接，梯形齿（C）的N 被布置成具有与其内孔相同的扩展方向第一极靴与第二极靴具有相同的结构。本发明可以克服铁磁流体损失的问题，密封寿命的降低和泄漏率的增加。

4. 发明申请

US20110210520A1 RECIPROCATING SHAFT'S SEALING DEVICE WITH BOTH MAGNETIC FLUID SEAL AND C-TYPE SLIP RING SEAL 审中-公开
标题翻译：复合轴封密封装置与两种液体密封和C型滑动密封
公开(公告)号：US20110210520A1
公开(公告)日：2011-09-01
申请号：US13033703
申请日：2011-02-24
申请人： Decai Li , Jishang Wang
发明人： Decai Li , Jishang Wang
IPC分类号： F16J15/53
CPC分类号： F16J15/43
摘要： A combined sealing device composed of a magnetic fluid seal and a C-type slip ring seal for a reciprocating shaft, characterized in that an internal circlip (2) with an O-shaped rubber seal ring, N pieces of seal assemblies, a C-type slip ring (7) provided on the external circlip, and an external circlip (8) with an O-shaped rubber seal are placed at the end of the sealed chamber (1) with an O-shaped rubber seal in order, and by connecting the external thread of the swivel nut (9) with the thread of the sealed chamber (1) with the O-shaped rubber seal, the swivel nut (9) is adapted to press above listed parts tightly, 1≦N≦20; every seal assembly is composed of a C-type slip ring (3), a pole piece (4) with an O-shaped rubber seal, a permanent magnet (5), and a pole piece (6), then the above-mentioned components are bonded together; before the combined sealing device composed of the magnetic fluid seal and the C-type slip ring for the reciprocating shaft is installed on the shaft, the magnetic fluid is injected into the inner circumferential surface of the permanent magnet of N pieces of seal assemblies. This device can overcome the problem of leakage of the reciprocating compressors.
摘要翻译：一种由磁性流体密封件和用于往复轴的C型滑环密封件组成的密封装置，其特征在于，具有O形橡胶密封环的内部簧环（2），N个密封组件，C- 设置在外部簧环上的滑环（7）和具有O形橡胶密封件的外部簧环（8）依次用O形橡胶密封件放置在密封室（1）的端部，并且通过将旋转螺母（9）的外螺纹与密封腔（1）的螺纹与O形橡胶密封件连接，旋转螺母（9）适于紧紧按压上述部件，1＆nlE; N＆nlE; 20; 每个密封组件由C型滑环（3），具有O形橡胶密封件的极片（4），永磁体（5）和极片（6）构成，然后将上述组件粘合在一起; 在由磁流体密封件和用于往复轴的C型滑环组合的密封装置安装在轴上之前，磁性流体被注入到N个密封组件的永磁体的内周面中。该装置可以克服往复式压缩机泄漏的问题。

5. 发明申请

US20110215533A1 RECIPROCATING SHAFT'S SEALING APPARATUS COMBINED A FERROFLUID SEAL WITH A C-SLIP-RING AND A YX-SEAL-RING 审中-公开
标题翻译：复合轴的密封装置与C型滑环和Y型密封圈组合在一起的FERROFLUID密封
公开(公告)号：US20110215533A1
公开(公告)日：2011-09-08
申请号：US13040328
申请日：2011-03-04
申请人： Decai Li , Jishang Wang
发明人： Decai Li , Jishang Wang
IPC分类号： F16J15/43
CPC分类号： F16J15/43
摘要： A reciprocating shaft's sealing apparatus combined a ferrofluid seal with a C-slip-ring and a Yx-seal-ring, characterized in that the first O-ring (3), the first Yx-seal-ring (4) and the first C-slip-ring (5) are installed into the grooves of the first fixed base (2), respectively, the second O-ring (15), the second Yx-seal-ring (14) and the first C-slip-ring (13) are installed into the grooves of the second fixed base (16), respectively, the first fixed base, the first pole piece (7) installed with an O-ring, a magnet (10), the second pole piece (11) installed with an O-ring and the second fixed base are placed in series at the bottom of the charmer of the sealing base (1), the above parts are pressed tightly by the end cover by means of the bolts connected with the sealing base, and the ferrofluid is injected into the magnet before assembling. The apparatus solves the problem of leakage in the reciprocating type of compressors.
摘要翻译：往复轴的密封装置将铁磁流体密封件与C形滑环和Yx密封环组合，其特征在于，第一O形环（3），第一Y形密封环（4）和第一C形密封环滑环（5）分别安装在第一固定基座（2）的槽中，第二O形环（15），第二Yx密封环（14）和第一C形滑环（13）分别安装在第二固定基座（16）的槽中，第一固定基座，安装有O形环的第一极靴（7），磁体（10），第二极靴（11））和第二固定基座串联放置在密封基座（1）的底部，通过与密封基座连接的螺栓将上述部件用端盖压紧在组装之前将铁磁流体注入到磁体中。该装置解决了往复式压缩机中泄漏的问题。

6. 发明申请

US20110210519A1 FERROFLUID SEALING APPARATUS WITH SMALL DIAMETER USED IN LOW TEMPERATURE 审中-公开
标题翻译：在低温下使用小直径的冷冻密封装置
公开(公告)号：US20110210519A1
公开(公告)日：2011-09-01
申请号：US13033635
申请日：2011-02-24
申请人： Decai Li , Wenming Yang
发明人： Decai Li , Wenming Yang
IPC分类号： F16J15/43
CPC分类号： F16J15/43
摘要： A ferrofluid sealing apparatus with small diameter used in low temperature, in which the first bearing (6), the first magnetism isolating ring (9), the first pole piece (10) installed with the first O-ring (11), the magnet (13), the second pole piece (15) installed with the second O-ring (14), the second magnetism isolating ring (16) and the second bearing (17) are provided to abut against in series and are sandwiched between the two inner bosses of the outer casing (8). the large end cover (19) is installed on the outer casing (8) using screw 18 to press the second bearing (17), the ferrolluid (2) is injected into the inner torus of the magnet (13), the permeable casing (1) installed with the adjusting shim (20) is installed into the inner hole of the above assembled bearings and pole pieces, the permeable casing (1) is fixed with the small end cover (5) using screw (4), the parameters of the teeth on the outside of the permeable casing are selected in such a way that the width is 0.5 mm, the height is 2.5 mm, and the width of the grooves is 1.5 mm, the first magnetism isolating ring (9) is installed between the first bearing (6) and the first pole piece (10); the second magnetism isolating ring (16) is installed between the second bearing (17) and the second pole piece (15). This apparatus solve the problem of ferrofluid sealling in low temperature.
摘要翻译：第一轴承（6），第一磁性隔离环（9），安装有第一O形环（11）的第一极靴（10），磁铁（11），小型直径的铁磁流体密封装置（13）中，安装有第二O形环（14）的第二极靴（15），第二磁性隔离环（16）和第二轴承（17）被设置为串联抵接并夹在两者之间外壳（8）的内凸台。使用螺杆18将大端盖（19）安装在外壳（8）上以按压第二轴承（17），将铁水溶液（2）注入到磁体（13）的内环形区域，可渗透壳体 1）安装调整垫片（20）安装在上述组装的轴承和极片的内孔中，可渗透套管（1）用螺钉（4）固定在小端盖（5）上，参数选择渗透性壳体外侧的齿宽度为0.5mm，高度为2.5mm，槽的宽度为1.5mm，第一磁性隔离环（9）安装在第一轴承（6）和第一极靴（10）; 第二磁性隔离环16安装在第二轴承17和第二极靴15之间。该装置解决了低温下铁磁流体吸收的问题。

7. 发明申请

US20110193292A1 MAGNETIC FLUID SEALING AND PACKING RING SEALING DEVICE FOR RECIPROCATING SHAFT WITH THE PACKING RING HAVING THREE OBLIQUE MOUTHS 审中-公开
标题翻译：磁性密封和包装环密封装置，用于与具有三个OBLIQUE MOUTH的包装圈一起使用
公开(公告)号：US20110193292A1
公开(公告)日：2011-08-11
申请号：US12987270
申请日：2011-01-10
申请人： Decai Li , Jishang Wang
发明人： Decai Li , Jishang Wang
IPC分类号： F16J15/43
CPC分类号： F16J15/43
摘要： A magnetic fluid sealing and packing ring sealing device for reciprocating shaft with the packing ring having three oblique mouths, characterized in that the first packing ring (2) with three oblique mouths, the first pole piece (3) with “O” rubber seal ring, the first permanent magnet (4), the second pole piece (5) with “O” rubber seal ring, the second packing ring (6) with three oblique mouths, the third pole piece (7) with “O” rubber seal ring, the second permanent magnet (8), the fourth pole piece (9) with “O” rubber seal ring, the third packing ring (10) with three oblique mouths, the fifth pole piece (11) with “O” rubber seal ring, the third permanent magnet (12), the sixth pole piece (13) with “O” rubber seal ring, the fourth packing ring (14) with three oblique mouths are placed at the end of sealed chamber (1) with “O” rubber seal ring in order, the sealed chamber (1) with “O” rubber seal ring is connected by the bolt (16) to press the above parts tightly. Before the reciprocating shaft seal device is applied, the magnetic fluid has been injected underneath the teeth of pole piece with “O” rubber seal ring. The problem of leakage of reciprocating compressor can be solved.
摘要翻译：一种用于往复式轴的磁性流体密封和密封环密封装置，具有三个斜口的密封环，其特征在于，具有三个倾斜口的第一填料环（2），具有“O”型橡胶密封环的第一极靴（3），第一永磁体（4），具有“O”型橡胶密封环的第二极靴（5），具有三个斜口的第二密封环（6），具有“O”型橡胶密封环的第三极靴，第二永磁体（8），具有“O”型橡胶密封环的第四极靴（9），具有三个倾斜口的第三密封环（10），具有“O”型橡胶密封环，第三永磁体（12），具有“O”型橡胶密封环的第六极靴（13），具有三个斜口的第四密封环（14）被放置在密封室（1）的端部，具有“O” 橡胶密封圈，密封腔（1）用“O”型橡胶密封环通过螺栓（16）连接，按上述标准 ts紧紧。在应用往复式轴封装置之前，磁性流体已经被注入到具有“O”型橡胶密封环的极片齿的下方。可以解决往复式压缩机泄漏的问题。

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