CN203756365U - Bidirectional sealing and lubricating device of double-acting Stirling engine piston - Google Patents
Bidirectional sealing and lubricating device of double-acting Stirling engine piston Download PDFInfo
- Publication number
- CN203756365U CN203756365U CN201420131310.2U CN201420131310U CN203756365U CN 203756365 U CN203756365 U CN 203756365U CN 201420131310 U CN201420131310 U CN 201420131310U CN 203756365 U CN203756365 U CN 203756365U
- Authority
- CN
- China
- Prior art keywords
- piston
- cold
- ring
- chamber end
- hot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Abstract
The utility model relates to a bidirectional sealing and lubricating device of a double-acting Stirling engine piston. The piston is mounted in a piston cylinder block and conducts the reciprocating motion, and an air cylinder heat cavity and an air cylinder cold cavity are formed by the two ends of the piston and an inner cavity of the piston cylinder block respectively. A heat cavity end first air ring, a heat cavity end second air ring and a heat cavity end oil ring are arranged on the outer circle of the right end of the piston, and a cold cavity end second air ring, a cold cavity end first air ring and a cold cavity end oil ring are arranged on the outer circle of the left end of the piston. The bidirectional sealing and lubricating device of the double-acting Stirling engine piston has the advantages that by means of the mode that the air rings and the oil rings on the piston are arranged symmetrically to seal the heat cavity and the cold cavity respectively and independently, a lubricating area, formed between the two oil rings, in the middle of the piston is used for achieving the oil lubrication of the piston so as to reduce the abrasion of a piston ring and a cylinder wall, the sealing performance of the piston is improved, and the service life of the piston is prolonged.
Description
Technical field
The utility model relates to field of mechanical technique, specifically relates to a kind of two way sealed in Yu Re chamber, cold chamber of double-acting type stirling engine piston and the lubricating fitting of piston.
Background technique
Stirling engine is a kind of closed cycle reciprocating engine of external heat.Stirling engine is comprised of several parts such as heat collector, the hot chamber of cylinder, the cold chamber of cylinder, regenerator, cooler and driving mechanisms conventionally.The hot chamber of cylinder and the heat collector High Temperature High Pressure part in circulation, is therefore usually referred to as hot chamber: the cold chamber of cylinder and the cooler low temperature part in circulation, is called cold chamber.The ideal operation process of Stirling engine be take Stirling circulation as basis, two isothermal processs and two isovolumetric process, consists of.
So-called double-acting type stirling engine, refers to the effect of the existing hot chamber of the piston gas distribution piston in cylinder, also possesses the effect of cold chamber power piston, i.e. piston one end Wei Re chamber, and the other end is cold chamber.The cold chamber of each cylinder is connected with the hot chamber of an adjacent cylinder, and be equipped with cooler betwixt, regenerator and heat collector, form a complete circulatory system.
So-called four cylinder double-action Stirling engines, by quadruplet piston group, four regenerators, four cooling and four complete closed circulation systems that heat collector forms.Be equivalent to four single-cylinder dual-action Stirling engines, the number of cylinder and piston group has reduced half, makes its compact structure, and the volume and weight of equal-wattage motor declines greatly, and cost of production also reduces greatly.
The working medium of double-action Stirling engine inner sealing is generally hydrogen and helium, sometimes the small-power Stirling engine below 1KW is also usingd air as working medium, piston two ends have the large temperature difference and pressure reduction simultaneously, its operating conditions is relatively severe, and adjacent each cylinder of double-action Stirling engine connects each other, add the performance characteristic of reciprocating motion of the pistons, at present, the sealing of double-action piston stirling engine and the lubricated mode that all adopts Oilless Lubrication Seal in Petroleum Gas, adopt and possess self-lubricating property, high temperature resistant, the materials such as wear-resisting teflon and fluorine rubber seal and selflubricating, and can not directly adopt oil lubrication, such material, at high temperature, high pressure, in at a high speed reciprocal running environment, easily produce creep, its working stability and life-span are had to great impact, therefore point out in < < piston stirling engine and rod seal technical report > > Xi'an Aero-engine Corporation Ltd and Xi'an research institute of Space Dynamic Room 11: " examine through test of many times after existing Stirling engine installation, adopting Electric furnace is at present thermal source, engine power can reach 14kW, efficiency reaches 20% ~ 30%, piston rod primary seal static leakage rate is 2.0 * 10
-7pam
3/ s, motor accumulation running is leaked without obvious for more than 80 hour ... the engine running friction life-span needs further to be investigated at present." sealing of Here it is double-action piston stirling engine with lubricated be affect double-action Stirling to start the major obstacle of researching and developing and applying.
Summary of the invention
Technology to be solved in the utility model is the deficiency existing for existing double-action piston stirling engine sealing technique, can not adopt the technical problem of oil lubrication with the piston that solves current double-action Stirling engine, provide a kind of reliable, stable, cost is low, the life-span is long, easy to maintenance, be applicable to the sealing of piston two-way in double-action Stirling engine and oil lubrication technology, for realizing reliable sealing, oil lubrication provides a kind of new technological method.
The utility model is that a kind of double-action piston stirling engine two way sealed and lubricating fitting are achieved by following technical proposals: a kind of double-action piston stirling engine two way sealed and lubricating fitting comprise the hot chamber of cylinder, piston top, one compression ring of hot chamber end, hot Qiang Duan bis-road compression rings, hot chamber end oil ring, piston cylinder oil inlet hole, piston, cold chamber end oil ring, cold Qiang Duan bis-road compression rings, one compression ring of cold chamber end, the cold chamber of cylinder, piston rod, piston cylinder oil outlet, piston/cylinder, described piston is arranged in piston/cylinder reciprocating, piston two ends and piston/cylinder inner chamber form respectively the hot chamber of cylinder, the cold chamber of cylinder, described cylindrical place, piston right part is provided with one compression ring of hot chamber end, hot Qiang Duan bis-road compression rings and hot chamber end oil ring, cylindrical place, piston left part is provided with cold Qiang Duan bis-road compression rings, one compression ring of cold chamber end and cold chamber end oil ring, one compression ring of hot chamber end, hot Qiang Duan bis-road compression rings, hot chamber end oil ring and cold Qiang Duan bis-road compression rings, one compression ring of cold chamber end and cold chamber end oil ring are arranged symmetrically on outside piston, hot chamber end oil ring and cold chamber end oil ring are arranged on piston middle part, hot chamber end oil ring, distance between the end oil pocket of cold chamber is determined according to the width of plunger designs stroke and piston cylinder oil inlet hole,
The right-hand member of described piston/cylinder inner carrier is provided with piston top.
The utility model a kind of double-action piston stirling engine two way sealed and lubricated method have following beneficial effect compared with prior art: the utility model adopts two cover compression ring and oil rings, be arranged symmetrically respectively in He Reqiang end, end, the cold chamber of piston, between two oil rings in piston middle part, form regions of lubrication, two oil ring spacing are determined by plunger designs stroke and oil nozzle width; The utility model provides a kind of double-action piston stirling engine two way sealed and lubricated method, be a kind of by the compression ring on piston, oil ring be arranged symmetrically with by the hot chamber of cylinder, the cold chamber of cylinder divide other, independent seal form and oil lubrication method, improve sealability and the working life of piston, to accelerating, advance research and development and the popularization of Stirling engine to play certain positive role.
The utility model has the advantage of: hot chamber, cold chamber seals respectively, between the oil ring of piston middle part, it is regions of lubrication, the utility model has solved the sealing and the lubricated mode that all adopts Oilless Lubrication Seal in Petroleum Gas of double-action piston stirling engine, adopt and possess self-lubricating property, high temperature resistant, the materials such as wear-resisting teflon and fluorine rubber seal and selflubricating, and can not directly adopt the technical problem of oil lubrication, the utility model can be realized double-action piston stirling engine reliable sealing and oil lubrication, extended the working life of Stirling engine, to accelerate advancing the research and development of Stirling engine and popularization technology is provided assurance.
Accompanying drawing explanation
Fig. 1 is that the utility model a kind of double-action piston stirling engine two way sealed and lubricating fitting reciprocating motion of the pistons are to left and right side limit position cross-sectional schematic.
Wherein: 1, the hot chamber of cylinder; 2, piston top; 3, one compression ring of hot chamber end; 4, hot Qiang Duan bis-road compression rings; 5, hot chamber end oil ring; 6, piston cylinder oil inlet hole; 7, piston; 8, cold chamber end oil ring; 9, cold Qiang Duan bis-road compression rings; 10, one compression ring of cold chamber end; 11, the cold chamber of cylinder; 12, piston rod; 13, piston cylinder oil outlet; 14, piston/cylinder; 15, the right lubricant reservoir of piston; 16, effectively lubricating region; 17, the left lubricant reservoir of piston; 18, piston stroke.
Embodiment
Below in conjunction with drawings and Examples, the utility model a kind of double-action piston stirling engine two way sealed and lubricating fitting technological scheme are further described.
As shown in Figure 1 and Figure 2, a kind of double-action piston stirling engine two way sealed comprise the hot chamber 1 of cylinder, piston top 2, hot chamber end with lubricating fitting together with compression ring 3, hot Qiang Duan bis-road compression rings 4, hot chamber end oil ring 5, piston cylinder oil inlet hole 6, piston 7, cold chamber end oil ring 8, cold Qiang Duan bis-road compression rings 9, cold chamber end compression ring 10, the cold chamber 11 of cylinder, piston rod 12, piston cylinder oil outlet 13, piston/cylinder 14 together, it is interior reciprocating that described piston 7 is arranged on piston/cylinder 14, and piston 7 two ends and piston/cylinder 14 inner chambers form respectively the hot chamber 1 of cylinder, the cold chamber 11 of cylinder, described piston 7 cylindrical places, right part are provided with one compression ring of hot chamber end 3, hot Qiang Duan bis-road compression rings 4 and hot chamber end oil ring 5, piston 7 cylindrical places, left part are provided with cold Qiang Duan bis-road compression rings 9, one compression ring of cold chamber end 10 and cold chamber end oil ring 8, one compression ring of hot chamber end 3, hot Qiang Duan bis-road compression rings 4, hot chamber end oil ring 5 and cold Qiang Duan bis-road compression rings 9, one compression ring of cold chamber end 10 and cold chamber end oil ring 8 are arranged symmetrically on piston 7 cylindricals, hot chamber end oil ring 5 and cold chamber end oil ring 8 are arranged on piston middle part, hot chamber end oil ring 5, distance between cold chamber end oil pocket 8 is determined according to the width of piston 7 design runlength and piston cylinder oil inlet hole 6,
The right-hand member of described piston/cylinder 14 inner carriers 7 is provided with piston top 2.
Described hot chamber end one compression ring 3 and hot Qiang Duan bis-road compression rings 4 are arranged on the cylindrical of end, the hot chamber of piston 7, according to the pressure size in the hot chamber 1 of cylinder, Yi Zhi tri-road compression rings are set; The hot chamber of described cylinder oil ring 5 is arranged on the inner side of hot Qiang Duan bis-road compression rings 4 on the cylindrical of end, the hot chamber of piston 7, i.e. piston 7 middle parts; Described cold Qiang Duan bis-road compression rings 9 compression ring 10 together with the end of cold chamber is arranged on the cylindrical of end, the cold chamber of piston 7, according to cold cavity pressure size, Yi Zhi tri-road compression rings is set; The cold chamber of described cylinder oil ring 8 is arranged on the inner side of cold Qiang Duan bis-road compression rings 9 on the cylindrical of end, the cold chamber of piston 7, the i.e. middle part of piston 7.
Described piston 7 two way sealeds refer to one compression ring of hot chamber end 3 on piston 7 cylindricals, hot Qiang Duan bis-road compression rings 4, cold Qiang Duan bis-road compression rings 9, one compression ring of cold chamber end 10 and hot chamber end oil ring 5, cold chamber end oil ring 8 is arranged symmetrically, one compression ring of hot chamber end 3, hot Qiang Duan bis-road compression rings 4 are arranged on the hot chamber of sealing cylinder 1 one sides, cold Qiang Duan bis-road compression rings 9, one compression ring of cold chamber end 10 is arranged on the cold chamber of sealing cylinder 11 1 sides, the hot chamber end oil ring 5 at piston 7 middle parts, the distance of cold chamber end oil ring 8 is that hot chamber end oil ring 5 and cold chamber end oil ring 8 are no more than piston cylinder oil inlet hole 6 and piston cylinder oil outlet 13, when moving to piston/cylinder 14 right side limit position, piston 7 forms the right lubricant reservoir 15 of piston between hot chamber end oil ring 5 and cold chamber end oil ring 8, when moving to piston/cylinder 14 left side limit position, piston 7 forms the left lubricant reservoir 17 of piston between hot chamber end oil ring 5 and cold chamber end oil ring 8, the length of the right lubricant reservoir of piston 15 right parts to the left lubricant reservoir of piston 17 left parts adds that piston stroke 18 is for effectively lubricating region 16.
Described one compression ring of hot chamber end 3, hot Qiang Duan bis-road compression rings 4, hot chamber end oil ring 5, cold chamber end oil ring 8, cold Qiang Duan bis-road compression rings 9 compression ring 10 together with the end of cold chamber are elastic expansion ring.
Embodiment 1.
A kind of double-action piston stirling engine two way sealed comprise the hot chamber 1 of cylinder, piston top 2, hot chamber end with lubricated method together with compression ring 3, hot Qiang Duan bis-road compression rings 4, hot chamber end oil ring 5, piston cylinder oil inlet hole 6, piston 7, cold chamber end oil ring 8, cold Qiang Duan bis-road compression rings 9, cold chamber end compression ring 10, cold chamber 11, piston rod 12, piston cylinder oil outlet 13, piston/cylinder 14 together, in described piston/cylinder 14, piston group is installed reciprocating, piston 7 two ends are respectively the hot chamber 1 of cylinder, the cold chamber 11 of cylinder; Described piston group is arranged in piston cylinder 14, piston 7 cylindrical places, two end part be respectively arranged with Yi Zhi tri-road piston rings 3,4,9,10 with together with oil ring 5,8, left and right compression ring 3,4,9,10 and oil ring 5,8 are arranged symmetrically, oil ring 5,8 is arranged on piston middle part, and the distance between two oil rings 5,8 is determined by the width of piston 7 design runlength and piston cylinder oil inlet hole 6; The hot chamber of described cylinder compression ring 3,4 is arranged on the cylindrical of end, the hot chamber of piston 7, according to the large I of pressure in the hot chamber 1 of cylinder, Yi Zhi tri-road compression rings is set, and prevents that the working medium in the hot chamber 1 of cylinder from leaking in the cold chamber 11 of cylinder; The hot chamber of described cylinder oil ring 5 is arranged on the back of last one compression ring 4 on the cylindrical of end, the hot chamber of piston 7, i.e. piston 7 middle parts; The cold chamber of described cylinder compression ring 9,10 is arranged on the cylindrical of end, the cold chamber of piston 7, according to the large I of cold cavity pressure, Yi Zhi tri-road compression rings is set, and prevents the working medium seepage in the cold chamber 11 of cylinder; The cold chamber of described cylinder oil ring 8 is arranged on the back of last one compression ring 9 on the cylindrical of end, the cold chamber of piston 7, the i.e. middle part of piston 7.
Described piston 7 two way sealeds refer to the two cover compression rings 3 that adopt on piston 7 cylindricals, 4, 9, 10 and oil ring 5, 8 are arranged symmetrically, the hot chamber of piston 7 end compression ring 3, the 4 hot chambeies 1 of sealing cylinder, the cold chamber of piston 7 end compression ring 9, the 10 cold chambeies 11 of sealing cylinder, piston 7 middle parts are two oil rings 5 at regular intervals, 8, two to left and right limit positions of piston 7 to-and-fro motion, make left and right, middle part oil ring 5, 8 are all no more than piston cylinder oil inlet hole 6, piston cylinder oil outlet 13, such two oil rings 5, between 8, form the right regions of lubrication 15 of piston, the length of regions of lubrication 15 adds that plunger designs stroke is exactly effectively lubricating region 16.
Described piston lubrication refers on the basis of piston two-way sealing configuration, the regions of lubrication 15 forming between the middle part of piston 7, two oil rings 5,8, in circulating oil system under the effect of oil pump, by piston cylinder oil inlet hole 6, inject lubricant oil, by piston cylinder oil outlet 13, get rid of lubricant oil again, formation closed circulation is lubricated, reaches the lubricated object of piston 7.
Double-action piston stirling engine two way sealed and lubricated method comprise the hot chamber of cylinder, the cold chamber of cylinder, piston cylinder, piston group, hot chamber compression ring (elastic expansion ring), hot chamber oil ring (elastic expansion ring), cold chamber compression ring (elastic expansion ring) and cold chamber oil ring (elastic expansion ring) etc., piston group is installed reciprocating in described piston cylinder, piston cylinder two ends are connected with the hot chamber of cylinder, the cold chamber of cylinder respectively; Described piston group is arranged in piston cylinder, cylindrical place, piston two end part be respectively arranged with Yi Zhi tri-road compression rings with together with oil ring, left and right compression ring and oil ring are arranged symmetrically, and oil ring is arranged on piston middle part, and the distance between two oil rings is determined by reciprocating stroke and the turnover oil nozzle width of plunger designs; Described hot chamber compression ring is arranged on the cylindrical of end, the hot chamber of piston, according to the large I of the hot cavity pressure of cylinder, Yi Zhi tri-road compression rings is set, and prevents that the hot chamber of cylinder working medium from leaking into the cold chamber of cylinder, causes each cylinder pressure uneven; Described hot chamber end oil ring is arranged on the back of last one compression ring on the cylindrical of end, the hot chamber of piston, i.e. piston middle part; The cold chamber of described cylinder compression ring is arranged on the cylindrical of end, the cold chamber of piston, according to the large I of cold cavity pressure, Yi Zhi tri-road compression rings is set, and prevents cold chamber working medium seepage; The cold chamber of described cylinder oil ring is arranged on the back of last one compression ring on the cylindrical of end, the cold chamber of piston, i.e. piston middle part.
Described piston two-way sealing configuration refers to that the two cover compression rings and the oil ring that on outside piston, adopt are arranged symmetrically, the hot chamber of piston end compression ring seals hot chamber, the cold chamber of piston end compression ring seals cold chamber, piston middle part is two oil rings at regular intervals, two limits of reciprocating motion of the pistons, make left and right, middle part oil ring all be no more than turnover oilhole, between such two oil rings, form regions of lubrication.
Described piston lubrication refers on the basis of piston two-way sealing configuration, the lubricating cavity forming between piston middle part, two oil rings under the effect of oil pump, injects lubricant oil by oil inlet hole in circulating oil system, by oil outlet, get rid of lubricant oil again, form closed circulation lubricated.
The utility model a kind of double-action piston stirling engine two way sealed and lubricated method have following beneficial effect compared with prior art: the utility model adopts two cover compression ring and oil rings, be arranged symmetrically respectively in He Reqiang end, end, the cold chamber of piston, two, middle part of piston oil ring spacing is formed by plunger designs and oil nozzle width is determined; The utility model provides double-action piston stirling engine two way sealed and lubricated method, be a kind of by the compression ring on piston, oil ring be arranged symmetrically with by hot chamber, cold chamber divide other, independent seal form, at piston middle part, utilize the regions of lubrication forming between two oil rings, realize the oil lubrication of piston, to reduce the wearing and tearing of piston ring and casing wall, improve sealability and the working life of piston, to accelerating, advance research and development and the popularization of Stirling engine to play certain positive role.
The utility model has the advantage of: hot chamber, cold chamber seals respectively, is regions of lubrication between the oil ring of piston middle part, solves double-action piston stirling engine reliable sealing and oil lubrication problem, increases the service life, and technical guarantee is provided.
Claims (3)
1. a double-action piston stirling engine two way sealed and lubricating fitting, comprise the hot chamber of cylinder (1), piston top (2), one compression ring of hot chamber end (3), hot Qiang Duan bis-road compression rings (4), hot chamber end oil ring (5), piston cylinder oil inlet hole (6), piston (7), cold chamber end oil ring (8), cold Qiang Duan bis-road compression rings (9), one compression ring of cold chamber end (10), the cold chamber of cylinder (11), piston rod (12), piston cylinder oil outlet (13), piston/cylinder (14), it is characterized in that: described piston (7) is arranged in piston/cylinder (14) reciprocating, piston (7) two ends and piston/cylinder (14) inner chamber form respectively the hot chamber of cylinder (1), the cold chamber of cylinder (11), cylindrical place, described piston (7) right part is provided with one compression ring of hot chamber end (3), hot Qiang Duan bis-road compression rings (4) and hot chamber end oil ring (5), cylindrical place, piston (7) left part is provided with cold Qiang Duan bis-road compression rings (9), one compression ring of cold chamber end (10) and cold chamber end oil ring (8), one compression ring of hot chamber end (3), hot Qiang Duan bis-road compression rings (4), hot chamber end oil ring (5) and cold Qiang Duan bis-road compression rings (9), one compression ring of cold chamber end (10) and cold chamber end oil ring (8) are arranged symmetrically on piston (7) cylindrical, hot chamber end oil ring (5) and cold chamber end oil ring (8) are arranged on piston middle part, hot chamber end oil ring (5), distance between cold chamber end oil pocket (8) is determined according to the width of piston (7) design runlength and piston cylinder oil inlet hole (6),
The right-hand member of described piston/cylinder (14) inner carrier (7) is provided with piston top (2).
2. double-action piston stirling engine two way sealed according to claim 1 and lubricating fitting, it is characterized in that: one compression ring of described hot chamber end (3) and hot Qiang Duan bis-road compression rings (4) are arranged on the cylindrical of end, the hot chamber of piston (7), according to the pressure size in the hot chamber of cylinder (1), Yi Zhi tri-road compression rings are set; Described hot chamber end oil ring (5) is arranged on the inner side of hot Qiang Duan bis-road compression rings (4) on the cylindrical of end, the hot chamber of piston (7), i.e. piston (7) middle part; Described cold Qiang Duan bis-road compression rings (9) and cold chamber end together compression ring (10) are arranged on the cylindrical of end, the cold chamber of piston (7), according to cold cavity pressure size, Yi Zhi tri-road compression rings are set; Described cold chamber end oil ring (8) is arranged on the inner side of cold Qiang Duan bis-road compression rings (9) on the cylindrical of end, the cold chamber of piston (7), the i.e. middle part of piston 7;
Described piston (7) two way sealed refers to one compression ring of hot chamber end (3) on piston (7) cylindrical, hot Qiang Duan bis-road compression rings (4), cold Qiang Duan bis-road compression rings (9), one compression ring of cold chamber end (10) and hot chamber end oil ring (5), cold chamber end oil ring (8) is arranged symmetrically, one compression ring of hot chamber end (3), hot Qiang Duan bis-road compression rings (4) are arranged on the hot chamber of sealing cylinder (1) one side, cold Qiang Duan bis-road compression rings (9), one compression ring of cold chamber end (10) is arranged on the cold chamber of sealing cylinder (11) one sides, the hot chamber end oil ring (5) at piston (7) middle part, the distance of cold chamber end oil ring (8) is that hot chamber end oil ring (5) and cold chamber end oil ring (8) are no more than piston cylinder oil inlet hole (6) and piston cylinder oil outlet (13), when moving to piston/cylinder (14) right side limit position, piston (7) forms the right lubricant reservoir of piston (15) between hot chamber end oil ring (5) and cold chamber end oil ring (8), when moving to piston/cylinder (14) left side limit position, piston (7) forms the left lubricant reservoir of piston (17) between hot chamber end oil ring (5) and cold chamber end oil ring (8), the length of the right lubricant reservoir of piston (15) right part to the left lubricant reservoir of piston (17) left part adds that piston stroke (18) is for effectively lubricating region (16).
3. double-action piston stirling engine two way sealed according to claim 1 and lubricating fitting, is characterized in that: described one compression ring of hot chamber end (3), hot Qiang Duan bis-road compression rings (4), hot chamber end oil ring (5), cold chamber end oil ring (8), cold Qiang Duan bis-road compression rings (9) and cold chamber end together compression ring (10) are elastic expansion ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420131310.2U CN203756365U (en) | 2014-03-24 | 2014-03-24 | Bidirectional sealing and lubricating device of double-acting Stirling engine piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420131310.2U CN203756365U (en) | 2014-03-24 | 2014-03-24 | Bidirectional sealing and lubricating device of double-acting Stirling engine piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203756365U true CN203756365U (en) | 2014-08-06 |
Family
ID=51251650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420131310.2U Withdrawn - After Issue CN203756365U (en) | 2014-03-24 | 2014-03-24 | Bidirectional sealing and lubricating device of double-acting Stirling engine piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203756365U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114127404A (en) * | 2019-05-21 | 2022-03-01 | 通用电气公司 | Engine apparatus and method of operation |
-
2014
- 2014-03-24 CN CN201420131310.2U patent/CN203756365U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114127404A (en) * | 2019-05-21 | 2022-03-01 | 通用电气公司 | Engine apparatus and method of operation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3542374A (en) | Packing for piston rods in high pressure nonlube reciprocating compressors | |
| CN101614200A (en) | Oil-free compressor used in locomotive | |
| CN103423019A (en) | Magnetic restoring force type free piston Stirling engine | |
| CN103939467B (en) | Air hydrostatic bearing of machine making free piston type reciprocating motion | |
| CN203756365U (en) | Bidirectional sealing and lubricating device of double-acting Stirling engine piston | |
| CN104018951B (en) | A kind of double-action piston stirling engine two way sealed and lubricating fitting | |
| CN201992902U (en) | Sterling refrigerator supported by oil-free lubrication liner bearing | |
| CN208870707U (en) | A kind of pendulum piston type obturator and generator and refrigeration machine using the device | |
| Kazimierski et al. | Double internal combustion piston engine | |
| CN213206553U (en) | Vacuum cylinder protected by multi-channel vacuum sealing and water cooling structure | |
| RU127411U1 (en) | PISTON ANGULAR COMPRESSOR THREE-STAGE | |
| CN201818580U (en) | Fixed blade servo actuator used by TRT (Blast Furnace Top Gas Recovery Turbine Unit) | |
| CN201437759U (en) | Oil-free compressor used for locomotives | |
| CN105179157A (en) | Outer-curve radial plunger hydraulic motor | |
| CN219672811U (en) | Cylinder gland with circulating liquid cooling function | |
| CN201502436U (en) | Self-compression timing gas occupying suspending piston engine | |
| CN102678384A (en) | Stirling engine | |
| CN108361121A (en) | Oscillating-piston cylinder formula stirling generator and refrigeration machine | |
| CN202182018U (en) | Oil immersed air pump shaft | |
| CN220452125U (en) | Liquid-driven circulating liquid-sealed compressor cylinder with cooling and isolating cavity | |
| CN102966462A (en) | Liquid occupation suspension piston engine | |
| CN101949378A (en) | Labyrinth seal piston for G-M refrigerator | |
| CN116538052B (en) | Double-acting circulating liquid seal compression cylinder assembly with air inlet and outlet valve | |
| CN103851188A (en) | Hydraulic cylinder sealing part | |
| CN215292820U (en) | Reciprocating type oil-free piston machine cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140806 Effective date of abandoning: 20160316 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |