CN103133064A - Self-sealing-function connecting shaft structure of expansion turbine external work output connection device - Google Patents
Self-sealing-function connecting shaft structure of expansion turbine external work output connection device Download PDFInfo
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- CN103133064A CN103133064A CN2013100832465A CN201310083246A CN103133064A CN 103133064 A CN103133064 A CN 103133064A CN 2013100832465 A CN2013100832465 A CN 2013100832465A CN 201310083246 A CN201310083246 A CN 201310083246A CN 103133064 A CN103133064 A CN 103133064A
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Abstract
The invention relates to a self-sealing-function connecting shaft structure of an expansion turbine external work output connection device and belongs to the technical field of cryogenic equipment. The self-sealing-function connecting shaft structure of the expansion turbine external work output connection device comprises a connecting shaft body, a left supporting shaft section is formed by the left end of the connecting shaft body, a right supporting shaft section is formed by the right end of the connecting shaft body, the left supporting shaft section comprises a left bearing fit section, a left seal ring fit section and an expander transmission connecting section, and the right supporting shaft section comprises a right bearing fit section, a right seal ring fit section and an external work transmission connecting section. The self-sealing-function connecting shaft structure of the expansion turbine external work output connection device is characterized in that a left self-sealing mechanism is directly formed at the end, facing toward the left bearing fit section, of the left seal ring fit section, and a right self-sealing mechanism is formed at the end, facing toward the right bearing fit section, of the right seal ring fit section. The self-sealing-function connecting shaft structure of the expansion turbine output connection device can prevent lubricating oil from intruding into an expander body, meanwhile prevent the medium possible to exude from the expander body from intruding into external work output connection device, prevent the lubricating oil from intruding into the external work device, and meanwhile prevent external water vapor from intruding into the external work output connection device.
Description
Technical field
The invention belongs to the Cryo Equipment technical field, be specifically related to a kind of connecting axle structure with turbo-expander external work output connector of self-sealing function.
Background technique
Turbo-expander be during with gas expansion speed can variation and use the machinery of transferring energy, the energy of its transmission also claims external work, usually by the connected equipment that connects as absorptions such as the generator that is not limited to, blower, water pump, pressure-increasing machine, oil brakes.Is no lack of the technical information about turbo-expander in published Chinese patent literature, slightly with exemplify as CN2388351Y recommends to have, " Miniature turbine expansion engine ", CN2185339Y provide " gas suspended ceramic low-temp. turbine expansion engine ", the CN200955408Y bulletin has " Turbine expansion unit ", CN201367920Y to disclose " turbo-expander " and CN202039906U has recommended " a kind of gas-bearing expansion turbine ", etc.
As is known in the industry, due to the rotating speed high (10000n/min more than) of turbo-expander when moving, therefore must take sealing and lubricated measure of working along both lines to the coupling shaft as the external work output connector.But the lubricated process at the bearing housing to for supporting coupling shaft, tend to occur that lubricant oil is following matching gap between coupling shaft and bearing housing towards the problem that is connected the tip of the axis and spreads, with regard to the end be connected with decompressor with regard to coupling shaft, the lubricant oil oozed out from the coupling shaft end can produce and pollute the air supply system in the air chamber of decompressor; With regard to coupling shaft with connect with regard to the end that such as aforesaid generator, blower, water pump, pressure-increasing machine, oil brake etc. of equipment be in transmission connection, the lubricant oil oozed out from the coupling shaft end can pollute the equipment of connecting.And the leakage of lubricant oil also can affect the lubrication effect of bearing housing and waste lubricant oil.
For addressing the above problem, prior art is poured into attention the stuffing box gland that is arranged in packing holder and the material of the fiting effect between coupling shaft and stuffing box gland usually, but only facts have proved and can play the effect of getting half the result with twice the effort.
Utility model patent notice of authorization CN202690148U recommends to have " connecting axle structure of the external work output connector of turbo-expander " (this patent is proposed by the applicant), this patent scheme can be said in sealing and between lubricating and find rational equinoctial point, embodied objectively famous technique effect in its specification the 0013rd hurdle, specifically can be referring to specification the 0026th to 0029 hurdle of this patent.But this patent scheme to pressure air particularly the sealing means of lubricant oil show as passiveness but not the sealing of active type, because the deciphering by specification the 0029th hurdle to this patent is known, be formed in disc on coupling shaft and only gesture figure can be got rid of to the effect in oil groove (getting rid of the disc of oil groove on coupling shaft and the bearing housing section of coordinating between the end face of an end of stuffing box gland cooperation section) towards the lubricant oil of packing holder direction infiltration, enter and get rid of the interior fluid of oil groove in oil clearance enters the sleeve chamber of coupling sleeve, introduce by the road fuel tank by the spill port communicated with the sleeve chamber, therefore can not stop on one's own initiative the lubricant oil of leakage to enter the effect in the decompressor body.Yet, as the industry's knowledge of the reason, once spread and be penetrated in the decompressor body along coupling shaft for bearing lubrication the cooling lubricant oil to the supporting coupling shaft, can as air, liquid oxygen or liquid nitrogen, mix mutually with the medium in the decompressor body so, medium is produced and pollutes, the final working effect that affects decompressor, even undermine decompressor.
For above-mentioned prior art, the applicant has done useful exploration and design, has finally formed technological scheme described below, and is taking to the experiment proved that it is practicable under strict secrecy provision.
Summary of the invention
Task of the present invention is to provide a kind of contributing to stop for the bearing lubrication to the supporting coupling shaft cooling lubricant oil and invade in the decompressor body and use to avoid the medium in the decompressor body is produced and pollute, be conducive to stop the medium invasion and attack external work output connector that likely the self-expanding machine leaks and be of value to equally with positive manner and prevent that lubricant oil from exerting an influence to external work equipment and preventing outside steam invasion and attack external work output connector simultaneously and use the connecting axle structure of the turbo-expander external work output connector with self-sealing function of the working stability that ensures the external work output connector with positive manner with positive manner.
Task of the present invention completes like this, a kind of connecting axle structure with turbo-expander external work output connector of self-sealing function, comprise a coupling shaft body, the left end of this coupling shaft body forms the diameter left supporting shaft part less than the diameter of coupling shaft body that a narrow contracting is arranged, this left supporting shaft part is in transmission connection with turbo-expander under the use state, the diameter right supporting shaft part less than the diameter of coupling shaft body that one narrow contracting is arranged in the same formation of the right-hand member of coupling shaft body, this right supporting shaft part is in transmission connection with external work equipment under the use state, described left supporting shaft part comprises that left bearing coordinates section, left seal ring coordinates section and the decompressor section of being in transmission connection, right supporting shaft part comprises that right bearing coordinates section, right seal ring coordinates section and the external work equipment section of being in transmission connection, wherein: left bearing coordinates section to be positioned at left seal ring and coordinates between section and coupling shaft body, and left seal ring coordinates section to be positioned between the decompressor section of being in transmission connection and the left bearing section of cooperation, right bearing coordinates section to be positioned at right seal ring and coordinates between section and coupling shaft body, and the right side section of being sealed and matched is positioned between the external work equipment section of being in transmission connection and the right bearing section of cooperation, be characterised in that: coordinate on section and towards described left bearing, coordinating an end of section directly to form a left self-sealing mechanism is arranged at described left seal ring, and coordinate on section and towards described right bearing, coordinating an end of section directly to form a right self-sealing mechanism is arranged at described right seal ring.
In a specific embodiment of the present invention, described left self-sealing mechanism comprises left choke ring and left disc, left choke ring and left disc all are raised in the surface that described left seal ring coordinates section, and the position of left choke ring on described left seal ring cooperation section is positioned at the left side of left disc; Described right self-sealing mechanism comprises right choke ring and right disc, and right choke ring and right disc all are raised in the surface that described right seal ring coordinates section, and the position of right choke ring on right seal ring cooperation section is positioned at the right side of right disc.
In another specific embodiment of the present invention, described left choke ring and left disc directly are formed in described left seal ring with spiral status and coordinate section upper, and described right choke ring and right disc directly are formed in described right seal ring with spiral status and coordinate on section.
In another specific embodiment of the present invention, the Hand of spiral of described left choke ring is right-hand screw; The Hand of spiral of described left disc is left hand screw; The Hand of spiral of described right choke ring is left hand screw; The Hand of spiral of described right disc is right-hand screw.
In another specific embodiment of the present invention, the diameter of the described decompressor section of being in transmission connection is less than the diameter that described left seal ring coordinates section, and left seal ring coordinates the diameter of section to be less than the diameter that described left bearing coordinates section; The diameter of the described external work equipment section of being in transmission connection is less than the diameter that described right seal ring coordinates section, and right seal ring coordinates the diameter of section to be less than the diameter that described right bearing coordinates section.
Also have a specific embodiment of the present invention, the length of described left and right bearing fit section and diameter are identical; It is identical that described left and right seal ring coordinates length and the diameter of section; Length and the diameter of the described decompressor section of being in transmission connection and the external work equipment section of being in transmission connection are identical.
Technological scheme provided by the invention is coordinated left self-sealing mechanism on section to play to stop lubricant oil to invade in the decompressor body and is played prevention likely from the effect of the medium invasion and attack external work output connector that oozes out in the decompressor body simultaneously by the left seal ring that directly is formed in left supporting shaft part; By the right seal ring that directly is formed in right supporting shaft part, coordinate the right self-sealing mechanism on section to play prevention lubricant oil intrusion external work equipment and play the effect that the outside steam of prevention is invaded the external work output connector simultaneously.
The accompanying drawing explanation
Fig. 1 is the embodiments of the invention structural drawing.
The A section enlarged view that Fig. 2 is the left supporting shaft part shown in Fig. 1.
Fig. 3 is application examples schematic diagram of the present invention.
Embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, the claimant general elaborates in embodiment's mode below, but the description to embodiment is not all the restriction to the present invention program, any according to the present invention design, done only for pro forma but not substantial equivalent transformation all should be considered as technological scheme category of the present invention.
Embodiment:
Refer to Fig. 1 and Fig. 2, figure 1 illustrates the coupling shaft body 1 as the structural system of the external work output connector of turbo-expander, the rotatingshaft support mechanism of external work output unit that can be by the Chinese invention patent application publication No. CN102767401A(turbo-expander to being not limited to exemplify below about the external work output connector), the impeller of CN102767398A(turbo-expander and the cooperating structure of main shaft) and the external work output transmission connecting device of CN102767623A(turbo-expander) reading fully understood.Coupling shaft axis body 1 is parts in the external work connection set, and the external work output connector is the transition apparatus between turbo-expander and external work output unit, external work equipment is generator, blower, water pump, pressure-increasing machine and oil brake as the aforementioned, etc.
As shown in Figure 1, form and have or claim to be extended with a left supporting shaft part 2 at the left end of aforesaid coupling shaft body 1, this left supporting shaft part 2 comprises that left bearing coordinates section 21, left seal ring to coordinate section 22 and the decompressor section of being in transmission connection 23, left bearing coordinates section 21 between left seal ring coordinates section 22 and coupling shaft body 1, and left seal ring coordinates sections 22 between the decompressor section of being in transmission connection 23 and the left bearing section of cooperation 21.The literal paraphrase of these reference characters that provide from the claimant, left bearing coordinates section 21 for coordinating with left bearing, and left seal ring coordinates section 22 for left seal ring is set, play seal action by left seal ring, say definitely the effect that left bearing coordinates lubricant oil that the left bearing on section 21 releases to spread towards the decompressor section of being in transmission connection 23 that is positioned at that stops of playing.Shown in figure, the diameter of the decompressor section of being in transmission connection 23 is less than the diameter that left seal ring coordinates section 22, and left seal ring coordinates the diameter of section 22 to be less than the diameter that left bearing coordinates section 21.
Form and have or claim to be extended with a right supporting shaft part 3 at the right-hand member of coupling shaft body 1, this right supporting shaft part 3 comprises that right bearing coordinates section 31, right seal ring to coordinate section 32 and the external work equipment section of being in transmission connection 33, right bearing coordinates section 31 between right seal ring coordinates section 32 and coupling shaft body 1, and right seal ring coordinates sections 32 between the external work equipment section of being in transmission connection 33 and the right bearing section of cooperation 31.Same reason, the literal paraphrase of these reference characters that provide from the claimant, right bearing coordinates section 31 for coordinating with right bearing, and right seal ring coordinates section 32 for right seal ring is set, play seal action by right seal ring, say definitely the effect that right bearing coordinates lubricant oil that the right bearing on section 31 releases to spread towards the external work equipment section of being in transmission connection 33 that is positioned at that stops of playing.As shown in Figure 1, the diameter of the external work equipment section of being in transmission connection 33 is less than the diameter that right seal ring coordinates section 32, and right seal ring coordinates the diameter of section 32 to be less than the diameter that right bearing coordinates section 31.
As preferred scheme, length and the diameter of aforesaid left and right bearing fit section 21,31 are designed to mutually the same; Aforesaid left and right seal ring coordinates length and the diameter of section 22,32 to be designed to mutually the same; Length and the diameter of the aforesaid decompressor section of being in transmission connection 23 and the external work equipment section of being in transmission connection 33 are designed to mutually the same.
Please continue to see Fig. 1 and Fig. 2, technological points as technological scheme provided by the invention, coordinate on section 22 and towards aforementioned left bearing, coordinating an end of section 21 at the position with the left bearing section of cooperation 21 interfaces, directly to form a left self-sealing mechanism 221 is arranged at aforesaid left seal ring, the concept of the direct formation said here refers to: left self-sealing mechanism 221 coordinates on section 22 integrally formed at left seal ring; Coordinate on section 32 and towards aforementioned right bearing, coordinating an end of section 31 at the position be bordered with the right bearing section of cooperation 31, directly to form a right self-sealing mechanism 321 is arranged at aforesaid right seal ring, the concept directly formed is as the description to left self-sealing mechanism 221.
Please see Fig. 2 and continue in conjunction with Fig. 1 by emphasis, aforesaid left self-sealing mechanism 221 comprises left choke ring 2211 and left disc 2212, left choke ring 2211 and left disc 2212 all are raised in the surface that left seal ring coordinates section 22, and the position of left choke ring 2211 on left seal ring cooperation section 22 is positioned at the left side of left disc 2212, and the degree of convexity on the surface that is raised in left seal ring cooperation section 22 said here is preferably concordant with the surface of the left bearing section of cooperation 21.As shown in Figure 1, left choke ring 2211 and left disc 2212 directly are formed in left seal ring with spiral status and coordinate on section 22, and the Hand of spiral of left choke ring 2211 and left disc 2212 is opposite each other, more particularly, the Hand of spiral of left choke ring 2211 is right-hand screw, and the Hand of spiral of left disc 2212 is left hand screw.
Aforesaid right self-sealing mechanism 231 comprises right choke ring 3211 and right disc 3212, right choke ring 3211 and right disc 3212 all are raised in the surface that right seal ring coordinates section 32, and the position of right choke ring 3211 on right seal ring cooperation section 32 is positioned at the right side of right disc 3212, and the degree of convexity on the surface that is raised in right seal ring cooperation section 32 said here is preferably concordant with the surface of the right bearing section of cooperation 31.As shown in Figure 1, right choke ring 3211 and right disc 3212 directly are formed in right seal ring with spiral status and coordinate on section 32, and the Hand of spiral of right choke ring 3211 and right disc 3212 is opposite each other, more precisely, the Hand of spiral of right choke ring 3211 is left hand screw, and the Hand of spiral of right disc 3212 is right-hand screw.
Under the use state, because left supporting shaft part 2 is in transmission connection with turbo-expander, more particularly because the decompressor section of being in transmission connection 23 and turbo-expander are in transmission connection, therefore inevitably there is in the course of the work the situation of the medium invasion and attack external work connection set released in turbo-expander, exist invasion and attack coupling shaft body 1 and on the situation of parts, therefore when medium is invaded to the right as gas gesture figure, effect due to the left choke ring 2211 of left self-sealing mechanism 221, produce an eddy airstream of direction left under with coupling shaft body 1 High Rotation Speed, this eddy airstream is to gas leakage or claim that medium produces a resistance, thereby stop gas leakage to be invaded left and reach the hermetic seal effect.Same reason, when the left bearing on being positioned at left bearing cooperation section 21 exists lubricant oil to release situation, so due to left disc 2212 with coupling shaft body 1 High Rotation Speed, thereby stoped the lubricant oil that oozes out left bearing to spread left, avoid lubricant oil to invade in turbo-expander medium is produced and pollutes, visible left disc 2212 has played excellent oil seal effect.This of the applicant section explanatory note is based on coupling shaft body 1 with the sense of rotation of the arrow that indicates in Fig. 1.
Because right supporting shaft part 3 is in transmission connection with external work equipment, more particularly due to the external work equipment section of being in transmission connection 33, with external work equipment, generator, blower, water pump, pressure-increasing machine or oil brake etc. are in transmission connection as the aforementioned, effect due to the right choke ring 3211 of right self-sealing mechanism 321, be that it is producing an eddy airstream to right with coupling shaft body 1 High Rotation Speed, this eddy airstream is the γ-ray emission resistance to external world, reaches the hermetic seal effect left thereby the prevention ambient atmos is invaded.Same reason, when being positioned at right bearing and coordinating right bearing on section 31 to exist lubricant oil to release situation, so due to right disc 3212 with coupling shaft body 1 High Rotation Speed, thereby stoped the lubricant oil that oozes out right bearing to spread and dirt and external work equipment to the right.
Application examples:
Refer to Fig. 3, provided the coupling sleeve 4 as the structural system of aforesaid external work output connector, left, right bearing 5a, 5b, left seal ring 6 and right seal ring 7, left bearing 5a and left seal ring 6 are arranged on the left end (take shown position as example) of coupling sleeve 4, right bearing 5b and right seal ring 7 are arranged on the right-hand member (take shown position as example) of coupling sleeve 4, the coupling sleeve chamber 41 that is positioned at coupling sleeve 4 by the described coupling shaft body 1 of above-described embodiment of the present invention, and the left bearing of the left supporting shaft part 2 of coupling shaft body 1 coordinates section 21 to be bearing in rotationally on left bearing 5a, left seal ring coordinates 22 of sections to match with left seal ring 6, the right bearing of the right supporting shaft part 3 of coupling shaft body 1 coordinates section 31 to be bearing in rotationally on right bearing 5b, right seal ring coordinates 32 of sections to match with right seal ring 7.Because structural system shown in Fig. 3 is open by aforementioned CN102767623A except the structure of the improved coupling shaft body 1 of the present invention, so the applicant repeats no more.
In sum, technological scheme provided by the invention has overcome the shortcoming in the prior art, has completed the invention task, has cashed the technique effect described in the superincumbent technique effect of claimant hurdle.
Claims (6)
1.
a kind of connecting axle structure with turbo-expander external work output connector of self-sealing function, it is characterized in that comprising a coupling shaft body (1), the left end of this coupling shaft body (1) forms the diameter left supporting shaft part (2) less than the diameter of coupling shaft body (1) that a narrow contracting is arranged, this left supporting shaft part (2) is in transmission connection with turbo-expander under the use state, the diameter right supporting shaft part (3) less than the diameter of coupling shaft body (1) that one narrow contracting is arranged in the same formation of the right-hand member of coupling shaft body (1), this right supporting shaft part (3) is in transmission connection with external work equipment under the use state, described left supporting shaft part (2) comprises that left bearing coordinates section (21), left seal ring coordinates section (22) and the decompressor section of being in transmission connection (23), right supporting shaft part (3) comprises that right bearing coordinates section (31), right seal ring coordinates section (32) and the external work equipment section of being in transmission connection (33), wherein: left bearing coordinates section (21) to be positioned at left seal ring and coordinates between section (22) and coupling shaft body (1), and left seal ring coordinates section (22) to be positioned between the decompressor section of being in transmission connection (23) and the left bearing section of cooperation (21), right bearing coordinates section (31) to be positioned at right seal ring and coordinates between section (32) and coupling shaft body (1), and the right side section of being sealed and matched (32) is positioned between the external work equipment section of being in transmission connection (33) and the right bearing section of cooperation (31), it is characterized in that: coordinate section (22) above and directly form a left self-sealing mechanism (221) is arranged at the end towards described left bearing cooperation section (21) at described left seal ring, and above and in the direct formation of an end that coordinates section (31) towards described right bearing one right self-sealing mechanism (321) being arranged in described right seal ring cooperation section (32).
2.
connecting axle structure with turbo-expander external work output connector of self-sealing function according to claim 1, it is characterized in that described left self-sealing mechanism (221) comprises left choke ring (2211) and left disc (2212), left choke ring (2211) and left disc (2212) all are raised in the surface that described left seal ring coordinates section (22), and the position of left choke ring (2211) on described left seal ring cooperation section (22) is positioned at the left side of left disc (2212); Described right self-sealing mechanism (321) comprises right choke ring (3211) and right disc (3212), right choke ring (3211) and right disc (3212) all are raised in the surface that described right seal ring coordinates section (32), and the position of right choke ring (3211) on right seal ring cooperation section (32) is positioned at the right side of right disc (3212).
3.
connecting axle structure with turbo-expander external work output connector of self-sealing function according to claim 2, it is characterized in that described left choke ring (2211) and left disc (2212) directly are formed in described left seal ring with spiral status and coordinate section (22) upper, described right choke ring (3211) and right disc (3212) directly are formed in described right seal ring with spiral status and coordinate on section (32).
4.
connecting axle structure with turbo-expander external work output connector of self-sealing function according to claim 3, the Hand of spiral that it is characterized in that described left choke ring (2211) is right-hand screw; The Hand of spiral of described left disc (2212) is left hand screw; The Hand of spiral of described right choke ring (3211) is left hand screw; The Hand of spiral of described right disc (3212) is right-hand screw.
5.
connecting axle structure with turbo-expander external work output connector of self-sealing function according to claim 1, the diameter that it is characterized in that the described decompressor section of being in transmission connection (23) is less than the diameter that described left seal ring coordinates section (22), and left seal ring coordinates the diameter of section (22) to be less than the diameter that described left bearing coordinates section (21); The diameter of the described external work equipment section of being in transmission connection (33) is less than the diameter that described right seal ring coordinates section (32), and right seal ring coordinates the diameter of section (32) to be less than the diameter that described right bearing coordinates section (31).
6.
connecting axle structure with turbo-expander external work output connector of self-sealing function according to claim 5, is characterized in that length and the diameter of described left and right bearing fit section (21,31) is identical; It is identical that described left and right seal ring coordinates length and the diameter of section (22,32); Length and the diameter of the described decompressor section of being in transmission connection (23) and the external work equipment section of being in transmission connection (33) are identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100832465A CN103133064A (en) | 2013-03-15 | 2013-03-15 | Self-sealing-function connecting shaft structure of expansion turbine external work output connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100832465A CN103133064A (en) | 2013-03-15 | 2013-03-15 | Self-sealing-function connecting shaft structure of expansion turbine external work output connection device |
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| CN103133064A true CN103133064A (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100832465A Pending CN103133064A (en) | 2013-03-15 | 2013-03-15 | Self-sealing-function connecting shaft structure of expansion turbine external work output connection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3073059A1 (en) * | 2015-03-25 | 2016-09-28 | Bosch Mahle Turbo Systems GmbH & Co. KG | Exhaust gas turbo charger |
| CN110219877A (en) * | 2019-04-29 | 2019-09-10 | 贵州中烟工业有限责任公司 | A kind of shaft end helical structure |
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| CN201367920Y (en) * | 2008-12-31 | 2009-12-23 | 四川空分设备(集团)有限责任公司 | Turboexpander |
| CN101644170A (en) * | 2009-08-11 | 2010-02-10 | 西安交通大学 | Liquid expander |
| EP2375000A2 (en) * | 2010-04-09 | 2011-10-12 | ABB Turbo Systems AG | Shaft seal |
| CN202417972U (en) * | 2011-09-28 | 2012-09-05 | 珠海格力电器股份有限公司 | Centrifugal compressor with isolation structure |
| CN102767623A (en) * | 2012-07-04 | 2012-11-07 | 联优机械(常熟)有限公司 | External work output transmission and connection device |
| CN102767622A (en) * | 2012-07-04 | 2012-11-07 | 联优机械(常熟)有限公司 | External work output transition connecting device of turbine expander |
| CN102767402A (en) * | 2012-07-04 | 2012-11-07 | 联优机械(常熟)有限公司 | Connecting shaft structure of external work output connection device of turbine expansion engine |
| CN102767403A (en) * | 2012-07-04 | 2012-11-07 | 联优机械(常熟)有限公司 | Transmission-shaft supporting mechanism of power-outputting device for turboexpander |
| CN203201605U (en) * | 2013-03-15 | 2013-09-18 | 联优机械(常熟)有限公司 | Connecting shaft structure of turbo expander external work output connecting device and with self-sealing function |
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- 2013-03-15 CN CN2013100832465A patent/CN103133064A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010045701A1 (en) * | 2000-02-11 | 2001-11-29 | Toal Keith R. | Mechanical seal for rotating shaft |
| CN201367920Y (en) * | 2008-12-31 | 2009-12-23 | 四川空分设备(集团)有限责任公司 | Turboexpander |
| CN101644170A (en) * | 2009-08-11 | 2010-02-10 | 西安交通大学 | Liquid expander |
| EP2375000A2 (en) * | 2010-04-09 | 2011-10-12 | ABB Turbo Systems AG | Shaft seal |
| CN202417972U (en) * | 2011-09-28 | 2012-09-05 | 珠海格力电器股份有限公司 | Centrifugal compressor with isolation structure |
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| CN102767622A (en) * | 2012-07-04 | 2012-11-07 | 联优机械(常熟)有限公司 | External work output transition connecting device of turbine expander |
| CN102767402A (en) * | 2012-07-04 | 2012-11-07 | 联优机械(常熟)有限公司 | Connecting shaft structure of external work output connection device of turbine expansion engine |
| CN102767403A (en) * | 2012-07-04 | 2012-11-07 | 联优机械(常熟)有限公司 | Transmission-shaft supporting mechanism of power-outputting device for turboexpander |
| CN203201605U (en) * | 2013-03-15 | 2013-09-18 | 联优机械(常熟)有限公司 | Connecting shaft structure of turbo expander external work output connecting device and with self-sealing function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3073059A1 (en) * | 2015-03-25 | 2016-09-28 | Bosch Mahle Turbo Systems GmbH & Co. KG | Exhaust gas turbo charger |
| CN110219877A (en) * | 2019-04-29 | 2019-09-10 | 贵州中烟工业有限责任公司 | A kind of shaft end helical structure |
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Application publication date: 20130605 |