CN104018951B - A kind of double-action piston stirling engine two way sealed and lubricating fitting - Google Patents
A kind of double-action piston stirling engine two way sealed and lubricating fitting Download PDFInfo
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- CN104018951B CN104018951B CN201410108195.1A CN201410108195A CN104018951B CN 104018951 B CN104018951 B CN 104018951B CN 201410108195 A CN201410108195 A CN 201410108195A CN 104018951 B CN104018951 B CN 104018951B
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Abstract
The present invention relates to field of mechanical technique, specifically relate to a kind of double-action piston stirling engine two way sealed and lubricating fitting, described piston is arranged in piston/cylinder reciprocating, and piston two ends and piston/cylinder inner chamber form the hot chamber of cylinder, the cold chamber of cylinder respectively; Described cylindrical place, piston right part is provided with hot chamber end one compression ring, hot Qiang Duan bis-road compression ring and hot chamber end oil ring, and cylindrical place, piston left part is provided with cold Qiang Duan bis-road compression ring, cold chamber end one compression ring and cold chamber end oil ring.Advantage of the present invention be a kind of by the compression ring on piston, oil ring be arranged symmetrically with hot chamber, cold chamber divided other, independent seal form, the regions of lubrication formed between two oil rings is utilized in the middle part of piston, 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.
Description
Technical field
The present invention relates to field of mechanical technique, specifically relate to a kind of cold chamber of double-acting type stirling engine piston and the two way sealed in hot chamber and the lubricating fitting of piston.
Background technique
Stirling engine is a kind of closed cycle reciprocating engine of external heat.Stirling engine is made up of several parts such as heat collector, the hot chamber of cylinder, the cold chamber of cylinder, regenerator, cooler and driving mechanisms usually.The hot chamber of cylinder and heat collector are in the High Temperature High Pressure part of circulation, are therefore usually referred to as hot chamber: the cold chamber of cylinder and cooler are in the low temperature part of circulation, are called cold chamber.The ideal operation process of Stirling engine, based on Stirling cycle, is made up of two isothermal processs and two isovolumetric process.
So-called double-acting type stirling engine, refer to the effect of the piston existing hot chamber gas distribution piston in cylinder, also possess the effect of cold chamber power piston, namely piston one end is hot chamber, and the other end is cold chamber.The cold chamber of each cylinder is connected with the hot chamber of adjacent cylinder, and is equipped with cooler, regenerator and heat collector betwixt, forms a complete circulatory system.
So-called four cylinder double-action Stirling engines, one that is made up of four cover piston groups, four regenerators, four coolings and four heat collectors complete closed circulation system.Be equivalent to four single-cylinder dual-action Stirling engines, the number of cylinder and piston group reduces 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 of below 1KW is also using air as working medium, piston two ends have the large temperature difference and pressure reduction simultaneously, its operating conditions rather harsh, and the adjacent each cylinder of double-action Stirling engine connects each other, add the performance characteristic of reciprocating motion of the pistons, at present, sealing and the lubrication of double-action piston stirling engine all adopt the mode of Oilless Lubrication Seal in Petroleum Gas, namely adopt and possess self-lubricating property, high temperature resistant, the materials such as wear-resisting teflon and fluorine rubber seal and selflubricating, and directly can not adopt oil lubrication, such material, at high temperature, high pressure, at a high speed in reciprocal running environment, easy generation creep, great impact is had on its working stability and life-span, therefore Xi'an Aero-engine Corporation Ltd and Xi'an Aerospace Propulsion Institute 11 Room are pointed out in " piston stirling engine and rod seal technical report ": " examine through test of many times after existing Stirling engine installation, current employing Electric furnace is 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 to be investigated further at present." sealing of Here it is double-action piston stirling engine and lubrication affect the major obstacle that double-action Stirling starts to research and develop and apply.
Summary of the invention
The technology that the present invention will solve is the deficiency existed for existing double-action piston stirling engine sealing technique, the technical problem of oil lubrication can not be adopted with the piston solving current double-action Stirling engine, there is provided a kind of reliable, stable, cost is low, the life-span is long, easy to maintenance, be applicable to the piston two-way sealing in double-action Stirling engine and oil lubrication technology, for realizing reliable sealing, oil lubrication provides a kind of new technological method.
The present invention 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, hot chamber end one compression ring, hot Qiang Duan bis-road compression ring, hot chamber end oil ring, piston cylinder oil inlet hole, piston, cold chamber end oil ring, cold Qiang Duan bis-road compression ring, cold chamber end one compression ring, 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 the hot chamber of cylinder respectively, the cold chamber of cylinder, described cylindrical place, piston right part is provided with hot chamber end one compression ring, hot Qiang Duan bis-road compression ring and hot chamber end oil ring, cylindrical place, piston left part is provided with cold Qiang Duan bis-road compression ring, cold chamber end one compression ring and cold chamber end oil ring, hot chamber end one compression ring, hot Qiang Duan bis-road compression ring, hot chamber end oil ring and cold Qiang Duan bis-road compression ring, cold chamber end one compression ring 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 in the middle part of piston, 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.
A kind of double-action piston stirling engine two way sealed of the present invention and lubricating fitting have following beneficial effect compared with prior art: the present invention adopts two cover compression ring and oil rings, be arranged symmetrically in piston end, cold chamber and end, hot chamber respectively, form regions of lubrication between two oil rings in the middle part of piston, two oil ring spacing are determined by plunger designs stroke and oil nozzle width; The invention provides a kind of double-action piston stirling engine two way sealed and lubricating fitting, be a kind of by the compression ring on piston, oil ring be arranged symmetrically with hot for cylinder chamber, the cold chamber of cylinder divided other, independent seal form and oil lubrication method, improving sealability and the working life of piston, advancing the research and development of Stirling engine and popularization to play certain positive role to accelerating.
The invention has the advantages that: hot chamber, cold chamber seals respectively, be regions of lubrication between oil ring in the middle part of piston, the invention solves the sealing of double-action piston stirling engine and lubricate the mode all adopting Oilless Lubrication Seal in Petroleum Gas, namely adopt and possess self-lubricating property, high temperature resistant, the materials such as wear-resisting teflon and fluorine rubber seal and selflubricating, and directly can not adopt the technical problem of oil lubrication, the present invention can realize double-action piston stirling engine reliable sealing and oil lubrication, extend the working life of Stirling engine, the research and development of Stirling engine and popularization is advanced to provide technology guarantee to accelerating.
Accompanying drawing explanation
A kind of double-action piston stirling engine two way sealed of the present invention and lubricating fitting have following accompanying drawing:
Fig. 1 is that a kind of double-action piston stirling engine two way sealed of the present invention 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, hot chamber end one compression ring; 4, hot Qiang Duan bis-road compression ring; 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 ring; 10, cold chamber end one compression ring; 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, a kind of double-action piston stirling engine two way sealed of the present invention and lubricating fitting technological scheme are further described.
As shown in Figure 1, a kind of double-action piston stirling engine two way sealed comprises compression ring 3 together with the hot chamber of cylinder 1, piston top 2, hot chamber end, hot Qiang Duan bis-road compression ring 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 ring 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 with lubricating fitting, described piston 7 is arranged in piston/cylinder 14 reciprocating, and piston 7 two ends and piston/cylinder 14 inner chamber form the hot chamber of cylinder 1, the cold chamber 11 of cylinder respectively, described cylindrical place, piston 7 right part is provided with hot chamber end one compression ring 3, hot Qiang Duan bis-road compression ring 4 and hot chamber end oil ring 5, cylindrical place, piston 7 left part is provided with cold Qiang Duan bis-road compression ring 9, cold chamber end one compression ring 10 and cold chamber end oil ring 8, hot chamber end one compression ring 3, hot Qiang Duan bis-road compression ring 4, hot chamber end oil ring 5 and cold Qiang Duan bis-road compression ring 9, cold chamber end one compression ring 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 in the middle part of piston, 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.
Described hot chamber end one compression ring 3 and hot Qiang Duan bis-road compression ring 4 are arranged on the cylindrical of end, piston 7 hot chamber, arrange one to three road compression ring according to the pressure size in the hot chamber 1 of cylinder; Described cylinder hot chamber oil ring 5 is arranged on the inner side of hot Qiang Duan bis-road compression ring 4 on the cylindrical of end, piston 7 hot chamber, namely in the middle part of piston 7; Described cold Qiang Duan bis-road compression ring 9 compression ring 10 together with the end of cold chamber is arranged on the cylindrical of end, piston 7 cold chamber, arranges one to three road compression ring according to cold cavity pressure size; Described cylinder cold chamber oil ring 8 is arranged on the inner side of cold Qiang Duan bis-road compression ring 9 on the cylindrical of end, piston 7 cold chamber, i.e. the middle part of piston 7.
Described piston 7 two way sealed refers to hot chamber end one compression ring 3 on piston 7 cylindrical, hot Qiang Duan bis-road compression ring 4, cold Qiang Duan bis-road compression ring 9, cold chamber end one compression ring 10 and hot chamber end oil ring 5, cold chamber end oil ring 8 is arranged symmetrically, hot chamber end one compression ring 3, hot Qiang Duan bis-road compression ring 4 is arranged on side, sealing cylinder hot chamber 1, cold Qiang Duan bis-road compression ring 9, cold chamber end one compression ring 10 is arranged on side, sealing cylinder cold chamber 11, hot chamber end oil ring 5 in the middle part of piston 7, 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, the right lubricant reservoir 15 of piston is formed between hot chamber end oil ring 5 and cold chamber end oil ring 8 when piston 7 moves to limit position on the right side of piston/cylinder 14, the left lubricant reservoir 17 of piston is formed between hot chamber end oil ring 5 and cold chamber end oil ring 8 when piston 7 moves to limit position on the left of piston/cylinder 14, the length of piston right lubricant reservoir 15 right part to piston left lubricant reservoir 17 left part adds that piston stroke 18 is for effectively lubricating region 16.
Described hot chamber end one compression ring 3, hot Qiang Duan bis-road compression ring 4, hot chamber end oil ring 5, cold chamber end oil ring 8, cold Qiang Duan bis-road compression ring 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 and the method for lubrication comprise compression ring 3, hot Qiang Duan bis-road compression ring 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 ring 9, cold chamber end compression ring 10, cold chamber 11, piston rod 12, piston cylinder oil outlet 13, piston/cylinder 14 together together with the hot chamber of cylinder 1, piston top 2, hot chamber end, be provided with piston group in described piston/cylinder 14 reciprocating, piston 7 two ends are respectively the hot chamber of cylinder 1, the cold chamber 11 of cylinder; Described piston group is arranged in piston cylinder 14, cylindrical place, piston 7 two end part be respectively arranged with one to three road piston ring 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 in the middle part of piston, 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; Described cylinder hot chamber compression ring 3,4 is arranged on the cylindrical of end, piston 7 hot chamber, arranges one to three road compression ring according to the large I of pressure in the hot chamber of cylinder 1, prevents the working medium in the hot chamber of cylinder 1 from leaking in the cold chamber 11 of cylinder; Described cylinder hot chamber oil ring 5 is arranged on the back of last one compression ring 4 on the cylindrical of end, piston 7 hot chamber, namely in the middle part of piston 7; Described cylinder cold chamber compression ring 9,10 is arranged on the cylindrical of end, piston 7 cold chamber, arranges one to three road compression ring according to the large I of cold cavity pressure, prevents the working medium seepage in the cold chamber 11 of cylinder; Described cylinder cold chamber oil ring 8 is arranged on the back of last one compression ring 9 on the cylindrical of end, piston 7 cold chamber, i.e. the middle part of piston 7.
Described piston 7 two way sealed refers to the two cover compression rings 3 adopted on piston 7 cylindrical, 4, 9, 10 and oil ring 5, 8 are arranged symmetrically, piston 7 hot chamber end compression ring 3, the 4 hot chambeies 1 of sealing cylinder, piston 7 cold chamber end compression ring 9, the 10 cold chambeies 11 of sealing cylinder, be two oil rings 5 at regular intervals in the middle part of piston 7, 8, piston 7 to-and-fro motion is two limit positions to left and right, 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 formed between the middle part of piston 7, two oil rings 5,8, in circulating oil system oil pump effect under, lubricant oil is injected by piston cylinder oil inlet hole 6, lubricant oil is got rid of again by piston cylinder oil outlet 13, formation closed circulation is lubricated, and reaches piston 7 and lubricates object.
The method of double-action piston stirling engine two way sealed and lubrication comprises 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., be provided with piston group in described piston cylinder reciprocating, piston cylinder two ends respectively chamber hot with cylinder, the cold chamber of cylinder are connected; Described piston group is arranged in piston cylinder, cylindrical place, piston two end part be respectively arranged with one to three road compression ring with together with oil ring, left and right compression ring and oil ring are arranged symmetrically, and oil ring is arranged in the middle part of piston, and the distance between two oil rings is determined with turnover oil nozzle width by the reciprocating stroke of plunger designs; Described hot chamber compression ring is arranged on the cylindrical of end, piston hot chamber, arranges one to three road compression ring according to the large I of the hot cavity pressure of cylinder, prevents cylinder hot chamber 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, piston hot chamber, namely in the middle part of piston; Described cylinder cold chamber compression ring is arranged on the cylindrical of end, piston cold chamber, arranges one to three road compression ring according to the large I of cold cavity pressure, prevents cold chamber working medium seepage; Described cylinder cold chamber oil ring is arranged on the back of last one compression ring on the cylindrical of end, piston cold chamber, namely in the middle part of piston.
Described piston two-way sealing configuration refer to adopt on outside piston two cover compression rings and oil ring be arranged symmetrically, piston hot chamber end compression ring seals hot chamber, piston cold chamber end compression ring seals cold chamber, be two oil rings at regular intervals in the middle part of piston, 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 formed in the middle part of piston, between two oil rings, in circulating oil system oil pump effect under, inject lubricant oil by oil inlet hole, get rid of lubricant oil by oil outlet again, form closed circulation lubrication.
The method of a kind of double-action of the present invention piston stirling engine two way sealed and lubrication has following beneficial effect compared with prior art: the present invention adopts two cover compression ring and oil rings, be arranged symmetrically in piston end, cold chamber and end, hot chamber respectively, in the middle part of piston, two oil ring spacing are formed by plunger designs and determine with oil nozzle width; The invention provides the method for double-action piston stirling engine two way sealed and lubrication, be a kind of by the compression ring on piston, oil ring be arranged symmetrically with hot chamber, cold chamber divided other, independent seal form, the regions of lubrication formed between two oil rings is utilized in the middle part of piston, realize the oil lubrication of piston, to reduce the wearing and tearing of piston ring and casing wall, improving sealability and the working life of piston, advancing the research and development of Stirling engine and popularization to play certain positive role to accelerating.
The invention has the advantages that: hot chamber, cold chamber seals respectively, is regions of lubrication between oil ring in the middle part of piston, solves double-action piston stirling engine reliable sealing and oil lubrication problem, increases the service life, provide technical guarantee.
Claims (2)
1. a double-action piston stirling engine two way sealed and lubricating fitting, comprise the hot chamber of cylinder (1), piston top (2), hot chamber end one compression ring (3), hot Qiang Duan bis-road compression ring (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 ring (9), cold chamber end one compression ring (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 the hot chamber of cylinder (1) respectively, the cold chamber of cylinder (11), described cylindrical place, piston (7) right part is provided with hot chamber end one compression ring (3), hot Qiang Duan bis-road compression ring (4) and hot chamber end oil ring (5), cylindrical place, piston (7) left part is provided with cold Qiang Duan bis-road compression ring (9), cold chamber end one compression ring (10) and cold chamber end oil ring (8), hot chamber end one compression ring (3), hot Qiang Duan bis-road compression ring (4), hot chamber end oil ring (5) and cold Qiang Duan bis-road compression ring (9), cold chamber end one compression ring (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 in the middle part of piston, 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: described hot chamber end one compression ring (3) and hot Qiang Duan bis-road compression ring (4) are arranged on the cylindrical of end, piston (7) hot chamber, arrange one to three road compression ring according to the pressure size in the hot chamber of cylinder (1); Described cylinder hot chamber oil ring (5) is arranged on the inner side of hot Qiang Duan bis-road compression ring (4) on the cylindrical of end, piston (7) hot chamber, i.e. piston (7) middle part; Described cold Qiang Duan bis-road compression ring (9) and cold chamber end together compression ring (10) are arranged on the cylindrical of end, piston (7) cold chamber, arrange one to three road compression ring according to cold cavity pressure size; Described cylinder cold chamber oil ring (8) is arranged on the inner side of cold Qiang Duan bis-road compression ring (9) on the cylindrical of end, piston (7) cold chamber, i.e. the middle part of piston 7;
Described piston (7) two way sealed refers to the hot chamber end one compression ring (3) on piston (7) cylindrical, hot Qiang Duan bis-road compression ring (4), cold Qiang Duan bis-road compression ring (9), cold chamber end one compression ring (10) and hot chamber end oil ring (5), cold chamber end oil ring (8) is arranged symmetrically, hot chamber end one compression ring (3), hot Qiang Duan bis-road compression ring (4) is arranged on the hot chamber of sealing cylinder (1) side, cold Qiang Duan bis-road compression ring (9), cold chamber end one compression ring (10) is arranged on the cold chamber of sealing cylinder (11) side, 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), piston (7) move to piston/cylinder (14) right side limit position time hot chamber end oil ring (5) and cold chamber end oil ring (8) between form the right lubricant reservoir of piston (15), piston (7) move to piston/cylinder (14) left side limit position time hot chamber end oil ring (5) and cold chamber end oil ring (8) between form the left lubricant reservoir of piston (17), 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410108195.1A CN104018951B (en) | 2014-03-24 | 2014-03-24 | A kind of double-action piston stirling engine two way sealed and lubricating fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410108195.1A CN104018951B (en) | 2014-03-24 | 2014-03-24 | A kind of double-action piston stirling engine two way sealed and lubricating fitting |
Publications (2)
| Publication Number | Publication Date |
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| CN104018951A CN104018951A (en) | 2014-09-03 |
| CN104018951B true CN104018951B (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410108195.1A Expired - Fee Related CN104018951B (en) | 2014-03-24 | 2014-03-24 | A kind of double-action piston stirling engine two way sealed and lubricating fitting |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105804887B (en) * | 2016-04-27 | 2017-11-14 | 源之翼智能装备制造（江苏）有限公司 | Thermomotor working medium sealing system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3469855A (en) * | 1966-01-31 | 1969-09-30 | Werkspoor Nv | Packing devices for sealing the passage of a piston rod through a wall |
| EP0027549A1 (en) * | 1979-10-19 | 1981-04-29 | M.A.N. MASCHINENFABRIK AUGSBURG-NÜRNBERG Aktiengesellschaft | Double acting multi-cylinder Stirling engine |
| JPS58167862A (en) * | 1982-03-30 | 1983-10-04 | Toshiba Corp | Piston for sterling engine |
| JPS60206965A (en) * | 1984-03-31 | 1985-10-18 | Toshiba Corp | Heat gas reciprocating engine |
| JPS62184275A (en) * | 1986-01-27 | 1987-08-12 | Mitsubishi Electric Corp | Oil free seal device |
| CN201696163U (en) * | 2010-04-15 | 2011-01-05 | 上海齐耀动力技术有限公司 | Piston rod seal assembly for small Stirling engine |
-
2014
- 2014-03-24 CN CN201410108195.1A patent/CN104018951B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3469855A (en) * | 1966-01-31 | 1969-09-30 | Werkspoor Nv | Packing devices for sealing the passage of a piston rod through a wall |
| EP0027549A1 (en) * | 1979-10-19 | 1981-04-29 | M.A.N. MASCHINENFABRIK AUGSBURG-NÜRNBERG Aktiengesellschaft | Double acting multi-cylinder Stirling engine |
| JPS58167862A (en) * | 1982-03-30 | 1983-10-04 | Toshiba Corp | Piston for sterling engine |
| JPS60206965A (en) * | 1984-03-31 | 1985-10-18 | Toshiba Corp | Heat gas reciprocating engine |
| JPS62184275A (en) * | 1986-01-27 | 1987-08-12 | Mitsubishi Electric Corp | Oil free seal device |
| CN201696163U (en) * | 2010-04-15 | 2011-01-05 | 上海齐耀动力技术有限公司 | Piston rod seal assembly for small Stirling engine |
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Granted publication date: 20160316 |