CN102767401A - Rotating shaft bearing mechanism for outer power output device of turbine expansion machine - Google Patents
Rotating shaft bearing mechanism for outer power output device of turbine expansion machine Download PDFInfo
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- CN102767401A CN102767401A CN2012102278578A CN201210227857A CN102767401A CN 102767401 A CN102767401 A CN 102767401A CN 2012102278578 A CN2012102278578 A CN 2012102278578A CN 201210227857 A CN201210227857 A CN 201210227857A CN 102767401 A CN102767401 A CN 102767401A
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Abstract
A rotating shaft bearing mechanism for an outer power output device of a turbine expansion machine belongs to the field of low-temperature equipment and comprises a bearing bush socket sleeve, a bearing bush matching cavity is formed at the center of the bearing bush socket sleeve, a group of bearing bush pivoting rib matching grooves are arranged on the inner wall body of the bearing bush matching cavity, an outer baffle disc cavity and a snap ring slot are concavely arranged on the left side of a bearing bush socket, a snap ring slot is positioned on the outer side of the outer baffle disc cavity, an outer baffle disc is arranged in the outer baffle disc cavity, a snap ring is embedded in the snap ring slot, an inner baffle disc cavity is formed on the right side of the bearing bush socket, and an inner baffle disc is arranged in the inner baffle disc cavity; and a group of bearing bushes are arranged in the bearing bush matching cavity, the sides of the bearing bushes, facing to the bearing bush matching cavity, and the middle parts of the bearing bushes form bearing bush pivoting ribs which are arranged in the bearing bush pivoting ribs matching grooves, and a gap is reserved between the adjacent bearing bushes. The rotating shaft bearing mechanism has the advantages that the requirement that a lubricating oil film bears large load can be met, the matching effect of rotating shafts matched with the bearing bush cavity can be ensured, the service lives of the bearing bushes can be prolonged, and the severe abrasion between the bearing bushes and the rotating shafts can be avoided.
Description
Technical field
The invention belongs to the Cryo Equipment technical field, be specifically related to a kind of cardan-shaft suspension mechanism of external work output unit of turbo-expander
Background technique
decompressor is divided into two types usually by its motion mode and structural type: one is Piston Expander; Two is turbo-expander.Owing to having characteristics such as flow is big, simple in structure, volume is little, efficient is high and grow service cycle for Piston Expander, turbo-expander is widely used in the various Cryo Equipments.
such as industry the reason of knowledge; Turbo-expander be when expanding with gas speed can variation and use the machinery that transmits energy; Its energy delivered is also claimed external work, usually through the connected equipment that connects like absorptions such as the generator that is not limited to, blower, water pump, pressure-increasing machine, oil brakes.In disclosed Chinese patent document, is no lack of technical information about turbo-expander; Slightly recommend to have with what give an example that " miniature turbo-expander ", CN2185339Y provide " gas suspension formula pottery cryogenic turboexpander ", the CN200955408Y bulletin has " turbine expansion unit ", CN201367920Y to disclose " turbo-expander " and CN202039906U has recommended " a kind of gas-bearing expansion turbine " like CN2388351Y, or the like.
such as industry knowledge; Because more than the rotating speed of turbo-expander when work changes up to per minute ten thousand; Therefore can As time goes on aggravate as the transmission shaft of external work output unit and the degree of wear that is used between the transmission shaft rotating support mechanism (being block bearing) of supporting drive shaft rotationally; Thereby increase the gap between block bearing and the transmission shaft on the one hand; Can reduce the preload ability on the other hand, the result causes the loss of bearing damp, and then the vibration of the rotor of aggravation turbo-expander.Therefore how overcoming this shortcoming is the problem that industry is paid close attention to for a long time and expected to solve; But in disclosed domestic and abroad patent and non-patent literature, all do not provide the corresponding techniques enlightenment; The applicant has done useful design for this reason, and the technological scheme that will introduce below produces under this background
Summary of the invention
task of the present invention be to provide a kind of help to make bearing in rational life time all the time and keep constant gap between the transmission shaft and use and avoid influencing the rotating effect of transmission shaft and the cardan-shaft suspension mechanism of the external work output unit of the turbo-expander avoiding taking place such as oscillation phenomenon because of wearing and tearing.
task of the present invention is accomplished like this; A kind of cardan-shaft suspension mechanism of external work output unit of turbo-expander; Comprise the bearing shell cover for seat, constitute a bearing shell mating cavity, and on bearing shell mating cavity inner wall, offer one group of side with the interval state and connect bearing shell pivot rib mating groove to opposite side from the bearing shell mating cavity around the circumferencial direction of bearing shell mating cavity in the central authorities of this bearing shell cover for seat; Be concaved with a block plate chamber and an annular groove outside one in the left side of bush seat; Annular groove is positioned at the outside in outer block plate chamber, is provided with an outer block plate outside in the block plate chamber, and in annular groove, is embedded with a snap ring; Constitute block plate chamber on the right side of bush seat, in this, be provided with block plate in the block plate chamber; One group of bearing shell; This group bearing shell is arranged in the described bearing shell mating cavity with the state that surrounds each other; Each bearing shell constitute towards a side of bearing shell mating cavity and the middle part that is positioned at the width direction of bearing shell one be projected on the surface of bearing shell the end from bearing shell extend to the bearing shell pivot rib of the other end; Bearing shell pivot rib is placed in the described bearing shell pivot rib mating groove; Wherein: maintain the gap between the adjacent bearing shell, constitute the oil groove that is used in the bearing shell chamber of enclosing, introducing lubricant oil by this gap by bearing shell.
are in a concrete embodiment of the present invention; On the outer wall of described bush seat, be concaved with the logical bush seat oil groove of ring one; Offer and one group oil-feed through hole being used for to bearing shell mating cavity in introduce lubricant oil that with bearing shell mating cavity communicate that equate with the quantity of described one group of bearing shell in the bottom of this bush seat oil groove, each oil-feed through hole is corresponding with described oil groove.
in another concrete embodiment of the present invention, the shape of cross section of described bearing shell pivot rib mating groove is the C font of English alphabet, and the shape of cross section of described bearing shell pivot rib is half-cylindrical.
are in another concrete embodiment of the present invention; The left side expansion of described bush seat is provided with a bush seat fastening flange limit; Spaced apartly on this bush seat fastening flange limit be provided with one group of bush seat fixed hole, on each bush seat fixed hole, be equipped with the bush seat set screw.
in another concrete embodiment of the present invention, the shape of cross section of described bearing shell is man type.
The technique effect of
technological scheme provided by the invention is: because one group of bearing shell matches with the bearing shell pivot rib mating groove of the bearing shell mating cavity of bush seat through the bearing shell pivot rib on it separately; Thereby can make the bearing shell chamber form the convergent wedge shape through the little vast deflection of bearing shell; Satisfy the big burden requirement of carrying on lubricant film; Fiting effect between the transmission shaft of guaranteeing to match with the bearing shell chamber, prolong the working life of bearing shell and avoid bearing shell and transmission shaft between sharp wear.
Description of drawings
Fig. 1 is the embodiments of the invention structural drawing.
Fig. 2 is an application examples schematic representation of the present invention.
Fig. 3 is the cut-away view of Fig. 2.
Embodiment
can be expressly understood technical spirit of the present invention and beneficial effect more for the auditor that the makes Patent Office especially public; The claimant general elaborates with embodiment's mode below; But the description to embodiment all is not 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 regarded as technological scheme category of the present invention.
Embodiment:
please be referring to Fig. 1, and the claimant need to prove: therefore the directivity on the every left side of mentioning below and the right side or the notion of claiming directionality should not limit the understanding to the present invention program therefrom all with illustrated location status.In the drawings; Provided a bush seat 1; Constitute the bearing shell mating cavity 11 of a perforation in the central authorities of this bush seat 1; On the wall of the chamber of this bearing shell mating cavity 11 around the circumferencial direction of bearing shell mating cavity 11 with the interval state offer one group from a side of bearing shell mating cavity 11 promptly to connect to opposite side be the bearing shell pivot rib mating groove 111 on right side in the left side, each bearing shell pivot rib mating groove 111 is identical, and shape of cross section all is the C font of English alphabet.Block plate chamber 12 and the annular groove 13 outside of being concaved with in the left side of bush seat 1; Annular groove 13 is positioned at the outside in outer block plate chamber 12; Promptly be positioned at the left side in outer block plate chamber 12; The degree of depth in outer block plate chamber 12 adapts with the thickness of outer block plate 131, so that outer block plate 121 is placed in the outer block plate chamber 12 rightly.Equally, the width of the wall of the degree of depth of annular groove 13 and snap ring 131 is complementary, and reliably inserts to ensure snap ring 131.Be concaved with block plate chamber 14 on the right side of bush seat 1, degree of depth in block plate chamber 14 is joined with the thickness of interior block plate 141 mutually thoroughly in this, so that block plate 141 is inserted reliably in making.
are by shown in the figure; On the outer wall of bush seat 1 and be concaved with one ring logical around the circumferencial direction of bush seat 1 to be the bush seat oil groove 15 of UNICOM, to offer the oil-feed through hole 151 that one group of quantity equates with the following quantity that is about to the bearing shell 2 of detailed description with the interval state in the bottom of this bush seat oil groove 15.Again; Be provided with a bush seat fastening flange limit 16 in the expansion of the left side of bush seat 1; On this bush seat fastening flange limit 16, offer one group of bush seat fixed hole 161, on each bush seat fixed hole 161, be equipped with a bush seat set screw 1611 (Fig. 2 shows) with the interval state.
Fig. 1 please be continued to see in
; Provided one group of bearing shell 2, the quantity of this group bearing shell 2 is four pieces in the present embodiment, but quantity and constitute restriction whereby to the present invention program; Because the quantity of bearing shell 2 both may be as few as at least two pieces; Also can as many as more than four pieces, for example six pieces or eight pieces etc., but four pieces is comparatively preferred.No matter the quantity number of one group of bearing shell 2 preferably makes the shape size of each bearing shell 2 consistent each other.Again, because bearing shell 2 quantity in the present embodiment has four pieces, therefore the quantity of aforesaid oil-feed through hole 151 is four.
one group of bearing shell 2 constitutes as a whole bearing shell chamber 22 around the circumferencial direction arrangement each other; One side of each bearing shell 21 wall and the middle position that is positioned at the width direction of bearing shell 2 towards the chamber of bearing shell mating cavity 11 constitute one be projected on bearing shell 2 the surface and bearing shell pivot rib 21 extend to the other end (diagram right-hand member) from an end (diagram left end) of bearing shell 2; The shape of cross section of bearing shell pivot rib 21 is semi-cylindrical form, matches with aforesaid bearing shell pivot rib mating groove 111.By shown in Figure 1, the shape of cross section of whole piece of bearing shell 2 is the lambdoid shape of Chinese character, and maintains the gap between the adjacent bearing shell 2, constitutes oil groove 23 by this gap, and aforesaid oil-feed through hole 151 is corresponding to this oil groove 23.
above-mentioned bearing shell 23 is said as the superincumbent technique effect of the applicant hurdle with the technique effect after the bearing shell mating cavity 11 of bush seat 1 cooperates.
Application examples:
see also Fig. 2 and Fig. 3; Provided a coupling sleeve 3 of the external work output unit of turbo-expander; The two ends of this coupling sleeve 3 are that left and right end respectively is provided with a fastening flange limit 38 to extending out, and on each fastening flange limit 38, offer one group of flange plate fixed hole 381 with the interval state.At the two ends of coupling sleeve 3 and separately the position near corresponding fastening flange limit 38 offers an inlet hole 33; Preferred scheme be with a pair of inlet hole 33 be opened in coupling sleeve 3 under the user mode towards on the two ends of a side; Come from compressed air source unit for example the device of air compressor or suction booster and so on pressure air or claim that pressurized air introduces inlet hole 33 by the road; Each inlet hole 33 have one be used for pressure air towards below the direction of the packing holder 6 that also will describe draw the bleed road 331 that send, that is to say that bleed road 331 extends towards the direction of packing holder 6.Again, on the coupling sleeve 3 and under the user mode towards under the two ends at position respectively offer a return-air hole 34, each return-air hole 34 has one equally towards return-air road 341 that the direction of packing holder 6 is extended (specifically can referring to Fig. 3).And; The two ends of coupling sleeve 3 and preferably under the user mode towards on a side offer an oil inlet hole 35; Oil inlet hole 35 has the oil input channel 351 that extends to the direction of aforesaid bush seat 1 one day; And also respectively offer one at the two ends of coupling sleeve 3 and draw oilhole 37, respectively draw oilhole 37 and communicate with the sleeve chamber 31 of coupling sleeve 3.Also, under coupling sleeve 3 user modes towards under a side offer one and be used for entering into the spill port 36 that lubricant oil in the sleeve chamber 31 causes outside fuel tank by the road.By shown in Figure 2, respectively constitute a bush seat chamber 32 at the two ends of coupling sleeve 3.
left flange plate 4 is fixing with the flange plate fixed hole 381 on the fastening flange limit 38 of aforesaid coupling sleeve 3 left ends through one group of first screw 43 (Fig. 3 shows); Central position at left flange plate 4 constitutes one first packing holder chamber 41, and offers one group in the edge of the circumferencial direction of left flange plate 4 with the interval state and be used for and the fixing left flange plate fixed hole 42 of spiral case of turbo-expander.
right flange plate 5 is fixing with the flange plate fixed hole 381 on the fastening flange limit 38 of the right-hand member of aforesaid coupling sleeve 3 through one group of second screw 53; Central position at right flange plate 5 constitutes one second packing holder chamber 51, and offers one group with the interval state equally in the edge of the circumferencial direction of this right side flange plate 5 and be used for the right flange plate fixed hole 52 that is fixedly connected with the equipment of connecting such as generator, pressure-increasing machine or blower etc.
can be known that by Fig. 2 and Fig. 3 the bush seat of mentioning among the top embodiment 1 has a pair of, and each bush seat 1 sets one group of bearing shell 2.One of them bush seat 1 matches with the bush seat chamber 32 of the left end of coupling sleeve 3 through aforesaid bush seat set screw 1161 (Fig. 2 shows); Specifically be that bush seat set screw 1161 is fixing with first screw hole 321 at 32 places, bush seat chamber that are preset in coupling sleeve 3, and another bush seat 1 in a pair of bush seat 1 is fixing with the bush seat chamber 32 of coupling sleeve 3 right-hand members in the same manner.
One of them packing holder 6 in
aforesaid a pair of packing holder 6 is arranged in the described first packing holder chamber 41, and this is arranged in the described second packing holder chamber 51 another packing holder 6 in the packing holder 6.Provided a transmission shaft 7; The left end of this transmission shaft 7 is bearing on the bush seat 1 on the left side in the aforesaid a pair of bush seat 1 rotationally; And with a pair of packing holder 6 in the state that is sealed and matched of the packing holder 6 on the left side under lean out the packing holder 6 on this left side; The right-hand member of transmission shaft 7 is bearing on the bush seat 1 on the right in a pair of bush seat 1 rotationally; And with a pair of packing holder 6 in the state that is sealed and matched of the packing holder 6 on the right under lean out the packing holder 6 on this right, and the middle part of transmission shaft 7 is positioned at described sleeve chamber 31.
are because to be arranged on the structure of the packing holder 6 in packing holder 6 and the second packing holder chamber 51 that is arranged on right flange plate 5 in the first packing holder chamber 41 of left flange plate 4 be identical, so the claimant only specifies to the packing holders 6 that are arranged in the first packing holder chamber 41 below.
Preset screw hole is fixed on
packing holder 6 usefulness the 4th screw 66 and the aforesaid coupling sleeve 3; Be embedded with an oil resistance stuffing box gland 61 in the central authorities of sealing ring support 6 and towards a side of aforesaid bush seat 1; And opposite side is embedded with a choke stuffing box gland 62, and on sealing ring support 6, also offers the packing holder air outlet channel 64 that the packing holder intake duct 63 and that communicates with aforesaid intake duct 331 communicates with aforesaid return-air road 341.In addition, be embedded with one group of seal ring 65 that is used for forming sealing in the edge of the circumferencial direction of packing holder 6 with the chamber wall in the aforesaid first packing holder chamber 41.
Matching with a pair of bush seat 1 and packing holder 6 in the same manner in the two ends of
aforesaid transmission shaft 7, and respectively constitutes a disc 71 at the two ends of transmission shaft 7.
Fig. 2 please be seen by emphasis in
; The two ends of transmission shaft 7 are respectively passed aforesaid bearing shell chamber 22, oil resistance stuffing box gland 61 and choke stuffing box gland 62 and are leant out outside the packing holder 6; The bearing housing that is positioned at disc 71 1 sides of transmission shaft 7 cooperates period 72 (Fig. 2 shows) to cooperate with bearing shell chamber 22; And the stuffing box gland that is positioned at disc 71 opposite sides cooperates section 73 to match with packing holder 6, promptly matches with oil resistance, choke stuffing box gland 61,62.Between bush seat 1 and packing holder 6 and in position, constitute an oil clearance 8 corresponding to disc 71.The slot of lubricant oil between bearing shell 2 and transmission shaft 7 that enters in the bearing shell chamber 22 gets into oil clearance 8; The lubricant oil that enters into oil clearance 8 is introduced sleeve chamber 31 through drawing oilhole 37; And then introduce in the fuel tank by the pipeline that connects with spill port 36, specifically can be labeled in the arrow of the flow direction of the expression lubricant oil among Fig. 3 referring to the claimant.
Fig. 3 is still seen in
; Because aforesaid seal ring intake duct 63 communicates with intake duct 331; Again since seal ring intake duct 63 corresponding between oil resistance stuffing box gland 61 and the choke stuffing box gland 62; Therefore under the pressure effect of air-flow; Pressure air can be respectively be divided into two-way towards the direction of oil resistance, choke stuffing box gland 61,62; One the tunnel plays the lubricant oil that stops in the aforesaid oil clearance 8 towards the direction infiltration that deviates from oil clearance 8, that is to say to force lubricant oil to flow and avoid lubricant oil to let out oozing towards the end of transmission shaft 7 by way of oil resistance stuffing box gland 61 and choke stuffing box gland 62 backs successively to the direction of oil clearance 8, and another road air-flow stops the gas invasion and attack bush seat 1 (bush seat 1 of left end) that comes from turbo-expander.The pressure air of the redundancy of being introduced by seal ring intake duct 63 is drawn through packing holder air outlet channel 64.Be located in oil resistance, the choke stuffing box gland 61,62 on the packing holder 6 that be arranged at of right-hand member; Be divided into wherein a tunnel playing equally and stop the effect of lubricant oil towards the direction infiltration that deviates from oil clearance 7, another road then to be played to prevent outside steam etc. from invading the effect of bush seat 1 (bush seat 1 of right-hand member) in the air-flow of two-way.
Will one group of bolt 421 of aforementioned left flange plate 4 usefulness of the present invention when use
in spiral case fixed connection corresponding to the turbo-expander of aforesaid left flange plate fixed hole 42; And the left end of transmission shaft 7 is connected with the impeller of turbo-expander, and the other end of transmission shaft 7 connects equipment such as blower, water pump, generator, pressure-increasing machine or oil brake are connected with aforesaid.
are in the process of transmission shaft 7 rotations; Because the bearing of transmission shaft 7 cooperates section 72 and surrounds the bearing shell chamber 22 that forms by one group of bearing shell 2 and match; Therefore even if bearing housing cooperates section 72 appearance of bearing shell 2 and/or the transmission shaft 7 that matches with bearing shell 2 are worn and torn; Then since between the bearing shell pivot rib mating groove 111 of the bearing shell pivot rib 21 of one group of bearing shell 2 and the bearing shell mating cavity 11 of bush seat 1 cooperate situation can make one group of bearing shell 2 show active but not passive deflection although this degree of deflection is little vast, but can make one group of bearing shell 2 be created as a convergent wedge shape; Use and realized carrying on the meagre lubricant film big load; Make rotatingshaft 7 show transmission effect stably, especially can make the ultimate attainment prolongation in working life of bearing shell 2 and transmission shaft 7, reduce maintenance cost.Generally speaking, the applicant this structural type of bearing shell 2 and bush seat 1 is applied in a creative way that turbo-expander can yet be regarded as is a ultimate attainment scheme and can be able in industry, be widely used
Claims (5)
1. the cardan-shaft suspension mechanism of the external work output unit of
a kind of turbo-expander; It is characterized in that comprising bearing shell cover for seat (1); Central authorities in this bearing shell cover for seat (1) constitute a bearing shell mating cavity (11); And the circumferencial direction that on bearing shell mating cavity (11) inner wall, centers on bearing shell mating cavity (11) offers one group of side from bearing shell mating cavity (11) with the interval state and connects the bearing shell pivot rib mating groove (111) to opposite side, is concaved with block plate chamber (12) and an annular groove (13) outside one in the left side of bush seat (1), and annular groove (13) is positioned at the outside in outer block plate chamber (12); Be provided with an outer block plate (121) outside in block plate chamber (12); And in annular groove (13), be embedded with a snap ring (131), and constitute block plate chamber (14) in one on the right side of bush seat (1), in this, be provided with block plate (141) in block plate chamber (14); One group of bearing shell (2); This group bearing shell (2) is arranged in the described bearing shell mating cavity (11) with the state that surrounds each other; Each bearing shell (2) constitute towards a side of bearing shell mating cavity (11) and the middle part that is positioned at the width direction of bearing shell (2) one be projected on the surface of bearing shell (2) the end from bearing shell (2) extend to the bearing shell pivot rib (21) of the other end; Bearing shell pivot rib (21) is placed in the described bearing shell pivot rib mating groove (111); Wherein: adjacent bearing shell maintains the gap between (2), constitutes the oil groove (23) that is used in the bearing shell chamber (22) of being enclosed by bearing shell (2), introducing lubricant oil by this gap.
2. the cardan-shaft suspension mechanism of the external work output unit of
turbo-expander according to claim 1; It is characterized in that on the outer wall of described bush seat (1), being concaved with the logical bush seat oil groove (15) of ring one; Offer and the one group oil-feed through hole (151) that be used for to bearing shell mating cavity (11) in introduce lubricant oil that with bearing shell mating cavity (11) communicate that equate with the quantity of described one group of bearing shell (2) in the bottom of this bush seat oil groove (15), each oil-feed through hole (151) is corresponding with described oil groove (23).
3. the cardan-shaft suspension mechanism of the external work output unit of
turbo-expander according to claim 1; It is characterized in that the shape of cross section of described bearing shell pivot rib mating groove (111) is the C font of English alphabet, and the shape of cross section of described bearing shell pivot rib (21) is half-cylindrical.
4. the cardan-shaft suspension mechanism of the external work output unit of
turbo-expander according to claim 1; The left side expansion that it is characterized in that described bush seat (1) is provided with a bush seat fastening flange limit (16); Go up the spaced apart one group of bush seat fixed hole (161) that is provided with on this bush seat fastening flange limit (16), on each bush seat fixed hole (161), be equipped with bush seat set screw (1611).
5.
The cardan-shaft suspension mechanism of the external work output unit of turbo-expander according to claim 1 and 2 is characterized in that the shape of cross section of described bearing shell (2) is man type
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102278578A CN102767401A (en) | 2012-07-04 | 2012-07-04 | Rotating shaft bearing mechanism for outer power output device of turbine expansion machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102278578A CN102767401A (en) | 2012-07-04 | 2012-07-04 | Rotating shaft bearing mechanism for outer power output device of turbine expansion machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102767401A true CN102767401A (en) | 2012-11-07 |
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ID=47094939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102278578A Pending CN102767401A (en) | 2012-07-04 | 2012-07-04 | Rotating shaft bearing mechanism for outer power output device of turbine expansion machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN102767401A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401664A (en) * | 2016-06-02 | 2017-02-15 | 四川泰博流体科技有限公司 | High-power oil braking expander |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1493651A (en) * | 1974-03-29 | 1977-11-30 | Trico Products Corp | One-piece plastics bearings |
| US4662772A (en) * | 1985-11-08 | 1987-05-05 | Dana Corporation | Shift lever tower assembly |
| US20100008609A1 (en) * | 2006-07-04 | 2010-01-14 | Yun-Ju Chen | Self-lubricating bearing and its manufacturing process |
| CN101685996A (en) * | 2008-09-28 | 2010-03-31 | 德昌电机(深圳)有限公司 | Motor assembly and bearing sleeve thereof |
| CN102305243A (en) * | 2011-08-31 | 2012-01-04 | 中国人民解放军国防科学技术大学 | Self-compensating fluid hydrostatic bearing |
| CN202810973U (en) * | 2012-07-04 | 2013-03-20 | 联优机械(常熟)有限公司 | Transmission shaft support mechanism of external work output device of turbo expander |
-
2012
- 2012-07-04 CN CN2012102278578A patent/CN102767401A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1493651A (en) * | 1974-03-29 | 1977-11-30 | Trico Products Corp | One-piece plastics bearings |
| US4662772A (en) * | 1985-11-08 | 1987-05-05 | Dana Corporation | Shift lever tower assembly |
| US20100008609A1 (en) * | 2006-07-04 | 2010-01-14 | Yun-Ju Chen | Self-lubricating bearing and its manufacturing process |
| CN101685996A (en) * | 2008-09-28 | 2010-03-31 | 德昌电机(深圳)有限公司 | Motor assembly and bearing sleeve thereof |
| CN102305243A (en) * | 2011-08-31 | 2012-01-04 | 中国人民解放军国防科学技术大学 | Self-compensating fluid hydrostatic bearing |
| CN202810973U (en) * | 2012-07-04 | 2013-03-20 | 联优机械(常熟)有限公司 | Transmission shaft support mechanism of external work output device of turbo expander |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401664A (en) * | 2016-06-02 | 2017-02-15 | 四川泰博流体科技有限公司 | High-power oil braking expander |
| CN106401664B (en) * | 2016-06-02 | 2018-01-26 | 四川泰博流体科技有限公司 | High-power oil brake expanding machine |
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Application publication date: 20121107 |