WO2004001195A1 - 膨 張 機 - Google Patents
膨 張 機 Download PDFInfo
- Publication number
- WO2004001195A1 WO2004001195A1 PCT/JP2003/007847 JP0307847W WO2004001195A1 WO 2004001195 A1 WO2004001195 A1 WO 2004001195A1 JP 0307847 W JP0307847 W JP 0307847W WO 2004001195 A1 WO2004001195 A1 WO 2004001195A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- piston
- axis
- swash plate
- rotor
- spherical
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01B—MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
- F01B3/00—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F01B3/0002—Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F01B3/0017—Component parts, details, e.g. sealings, lubrication
Definitions
- an axial piston cylinder group is annularly arranged on a rotor rotatably supported by a casing so as to surround an axis thereof, and a spherical convex portion formed at a tip of a piston of the axial piston cylinder group is formed on a swash plate.
- the present invention relates to an expander abutted on a spherical recess.
- a hydraulic device in which a spherical convex portion formed at the tip of a piston of an axial piston cylinder group is brought into contact with a spherical concave portion formed on a swash plate has been disclosed in Japanese Patent Application Laid-Open No. 61-2741166. is there.
- the contact pressure between the two parts can be reduced, and the relative rotation between the swash plate and the piston can be prevented.
- the swash plate has a centering action by the bistone, the load on the swash plate holder supporting the swash plate can be reduced, and the durability can be improved.
- the spherical The trajectory of the contact point of the spherical convex portion of the plurality of pistons with the concave portion is elliptical.
- the point of contact between the spherical convex part of each piston and the spherical concave part of the swash plate is at a position eccentric from the axis of the piston ⁇ and the axis of the spherical concave part, and the direction of the load that the spherical convex part of the piston receives from the spherical concave part of the swash plate Will be displaced from the direction of the biston axis.
- the present invention has been made in view of the above circumstances, and reduces the bending moment and the radial offset load received by a piston of an expander from a swash plate to increase sliding resistance and abnormal wear.
- the purpose is to minimize the occurrence of wear.
- a casing a rotatable rotatably supported by a casing, and an annularly arranged so as to surround the axis of the mouth.
- An axial piston cylinder group, and a swash plate having an axis inclined at a predetermined angle with respect to the axis and rotatably supported by a casing, and a spherical convex portion formed at the tip of the piston of the axial piston cylinder group.
- the swash plate is brought into contact with a spherical concave portion formed so as to concentrically surround the rotation axis of the swash plate, and the expansion chamber defined between the piston and the cylinder sleeve of the axial piston cylinder group is connected to the swash plate via a rotary valve.
- the expander which rotates the rotor by supplying high-temperature, high-pressure steam, the contact locus between the spherical concave portion of the swash plate and the spherical convex portion of the piston is determined by an axial piston cylinder.
- the contact locus between the spherical concave portion of the swash plate and the spherical convex portion of the piston of the expander having the axial piston cylinder group is proposed. Is offset to the expansion stroke side of the axial piston cylinder group, so that the piston speed increases and the surface pressure at the contact point between the piston and the swash plate increases.
- the position of the point of contact with the spherical convex part of the ston is brought as close as possible to the axis of the spherical concave part and the axis of the piston to reduce the bending moment acting on the piston and the radial offset load to increase sliding resistance and abnormal wear. Can be minimized.
- the axis of the swash plate is offset to the exhaust stroke side of the axial piston cylinder group with respect to the axis of the mouth. Is proposed.
- the contact point between the spherical concave portion of the swash plate and the spherical convex portion of the piston can be obtained by a simple configuration in which the axis of the swash plate is offset toward the exhaust stroke side of the axial piston cylinder group with respect to the axis of the rotor.
- the trajectory can be offset to the expansion stroke side of the axial piston cylinder group.
- FIGS. 1 to 17 show an embodiment of the present invention.
- FIG. 1 is a longitudinal sectional view of an expander
- FIG. 2 is a sectional view taken along line 2-2 in FIG. 1
- FIG. 3 is 3-3 in FIG.
- Fig. 4 is an enlarged view of Fig. 1.
- Large view Fig. 5 is an enlarged view of 5 parts of Fig. 1
- Fig. 6 is an exploded perspective view of the rotor
- Fig. 7 is a sectional view taken along the line 7-7 in Fig. 4
- Fig. 8 is a sectional view taken along the line 8-8 in Fig. 4
- Fig. 9 is an enlarged view of part 9 of Fig. 4
- Fig. 10 is a cross-sectional view taken along the line 10--10 in Fig. 5, Fig.
- FIG. 11 is a cross-sectional view taken along the line 11--11 in Fig. 5, and Fig. 2-1 2 cross-sectional view
- Fig. 13 is a cross-section taken along line 13-13 in Fig. 5
- Fig. 14 is a view taken along line 14-14 in Fig. 4
- Fig. 15 is an operation explanatory view (with offset)
- Fig. 16 is an explanatory diagram of the effect (without offset)
- Fig. 17 is a graph explaining the effect of the offset.
- the expander M of the present embodiment is used, for example, in a Rankine cycle device, and converts heat energy and pressure energy of a high-temperature high-pressure steam as a working medium into mechanical energy. Output.
- the casing 11 of the expander M has a casing body 12, a front cover 15 connected to a front opening of the casing body 12 by a plurality of ports 14 via a sealing member 13, and a casing.
- the rear cover 18 is connected to the rear opening of the main body 12 by a plurality of ports 17 via a sealing member 16 via a sealing member 16.
- the rear cover 18 is connected to the lower opening of the casing main body 12 via a sealing member 19.
- an oil pan 21 connected by several ports 20.
- the roller 22 arranged rotatably about an axis L extending in the front-rear direction at the center of the casing 11 is supported by a ball bearing 23 provided at the front thereof on a front force par 15.
- the rear portion is supported by a pole bearing 24 provided on the casing body 12.
- a swash plate holder 28 fitted to the rear surface of the front cover 15 via two seal members 25, 26 and a dowel pin 27 is fixed by a plurality of ports 29.
- the swash plate 31 is rotatably supported by the plate holder 28 via the angular pole bearing 30.
- the axis L1 of the swash plate 31 is inclined with respect to the axis L of the rotor 22, and the angle of inclination is fixed.
- the axis L 1 of the swash plate 31 is located on the exhaust stroke side (left side in the figure) of the axial piston cylinder group 56 described later with respect to the axis L of the rotor 22. Offset by the distance ⁇ .
- the rotor 22 has an output supported by the front cover 15 by the pole bearings 23.
- Three sleeve support flanges 3 3, 3 4 formed integrally with the shaft 32 and the rear portion of the output shaft 32 via cutouts 57, 58 (see FIGS. 4 and 9) having a predetermined width.
- the heat insulation cover 40 fitted to the head 38 and the three sleeve support flanges 33, 34, 35 from the front and connected to the front sleeve support flange 33 by a plurality of ports 39 ...
- Each of the three sleeve support flanges 33, 34, and 35 has five sleeve support holes.
- a flange 41 a is formed at the rear end of each cylinder sleeve 41, and this flange 41 a is When fitted to the metal gasket 36 while being fitted to the step 35b formed in the sleeve support hole 35a of the sleeve support flange 35, it is positioned in the axial direction (see Fig. 9).
- the piston 42 is slidably fitted in the inside of the valve 41, and the spherical recess 61a at the front end of the piston 42 corresponds to the spherical recess 31a formed of dimples formed on the swash plate 31. And a steam expansion chamber between the rear end of the piston 42 and the rotor head 38.
- An oil passage 32 a extending along the axis L is formed inside the output shaft 32 integral with the rotor 22, and the front end of the oil passage 32 a radially branches off to the outside of the output shaft 32. It communicates with the peripheral annular groove 32b.
- an oil passage closing member 45 is screwed into the inner periphery of the oil passage 32 a via a seal member 44.
- a plurality of oil holes 32c extending radially outward from an oil passage 32a in the vicinity thereof open on the outer peripheral surface of the output shaft 32.
- the trochoid-type oil pump 49 is provided with an outer rotor 50 rotatably fitted in the concave portion 15a, and an inner fixed to the outer periphery of the output shaft 32 and fitted to the outer port 50. And a rotor 51. Oil inside the oil pan 2 1
- the pipe 52 and the front cover 15 communicate with the suction port 53 of the oil pump 49 through the oil passage 15b of the front cover 15, and the discharge port 54 of the oil pump 49 is connected to the oil passage 1 of the front cover 15. It communicates with the annular groove 32b of the output shaft 32 via 5c.
- the piston 42 which is slidably fitted to the cylinder sleeve 41, includes an end portion 61, an intermediate portion 62, and a top portion 63.
- the end portion 61 is a member having a spherical convex portion 61 a that comes into contact with the spherical concave portion 31 a of the swash plate 31, and is joined to the tip of the intermediate portion 62 by welding.
- the intermediate portion 62 is a cylindrical member having a large-capacity hollow space 62a, and has a small-diameter portion 62b having a slightly reduced diameter on the outer peripheral portion close to the top portion 63.
- a plurality of oil holes 6 2 c are formed so as to penetrate therethrough in the radial direction, and a plurality of spiral oil grooves 6 2 d ... are formed on the outer peripheral portion in front of the small diameter portion 6 2 b. Is formed.
- the top portion 63 facing the expansion chamber 43 is formed integrally with the intermediate portion 62, and a partition wall 63a formed on the inner surface thereof, and a lid member 6 fitted and welded to the rear end surface thereof.
- a heat insulating space 65 (see FIG. 9) is formed between the first and second heat exchangers.
- Two compression rings 66, 66 and one oil ring 67 are mounted on the outer periphery of the top part 63, and the oil ring groove 63b into which the oil ring 67 fits is formed by a plurality of oil rings. It communicates with the hollow space 62a of the intermediate part 62 via the oil hole 63c.
- the piston end part 61 and the middle part 62 are made of high carbon steel
- the top part 63 is made of stainless steel, of which the end part 61 is induction hardened and the middle part 62 is hardened.
- An annular groove 41b (see FIGS. 6 and 9) is formed on the outer periphery of the intermediate portion of the cylinder sleeve 41, and a plurality of oil holes 41c are formed in the annular groove 41b. Regardless of the mounting position of the cylinder sleeve 41 in the rotation direction, the hole 32 formed in the output shaft 32 and the hole formed in the sleeve support flange 34 in the center of the mouth 22 are formed.
- the holes 3 4 b ′ ′′ (see FIGS. 4 and 6) communicate with the annular groove 4 1 b.
- An annular lid member 69 is welded to the front side or the expansion chamber 43 side of the rotor head 38 connected with a port 37 on the rear surface of the sleeve support flange 33 on the front side of the rotor 22.
- An annular heat insulating space 70 (see FIG. 9) is defined on the rear or rear surface of the lid member 69.
- the rotor head 38 is positioned in the rotational direction with respect to the rear sleeve support flange 35 by the knock pin 55.
- the five cylinder sleeves 41 and the five pistons 42 constitute an axial piston cylinder group 56 of the present invention.
- the rotary valve 71 arranged along the axis L of the rotor 22 includes a valve body 72, a fixed-side valve plate 73, and a movable-side valve plate 74.
- the movable-side valve plate 74 is positioned on the rear surface of the rotor 22 in the rotational direction by the knock pin 75, and is fixed by a port 76 screwed to the oil passage closing member 45 (see FIG. 4). You.
- the port 76 also has a function of fixing the rotor head 38 to the output shaft 32.
- the fixed valve plate 73 which comes into contact with the movable valve plate 74 via the flat sliding surface 77, has one port at the center of the front surface of the valve body 72.
- it is fixed to the outer periphery of the valve body 72 by an annular fixing ring 79 and a plurality of ports 80.
- the stepped portion 79 a formed on the inner periphery of the fixing ring 79 is press-fitted so as to be fitted into the outer periphery of the fixed side valve plate 73, and the stepped portion formed on the outer periphery of the fixing ring 79.
- the coaxiality of the fixed-side valve plate 73 with respect to the valve main body 72 is ensured by the in-row fitting of 79 b into the outer periphery of the valve main body 72.
- a knock pin 81 for positioning the fixed-side valve plate 73 in the rotation direction is disposed between the valve body 72 and the fixed-side valve plate 73.
- the fixed side valve plate 73 and the movable side valve plate 74 are made of carbon or ceramics. It is made of a highly durable material such as dust, and further durable if the sliding surface 77 is interposed or coated with a heat-resistant, lubricating, corrosion- or wear-resistant member. Performance can be improved.
- the valve body 72 made of stainless steel is a stepped cylindrical member having a large-diameter portion 72 a and a small-diameter portion 72 b, and the outer periphery of the large-diameter portion 72 a and the small-diameter portion 72 b.
- a pin 84 implanted on the outer peripheral surface is fitted in a notch 18 c formed in the rear cover 18 in the direction of the axis L in the direction of the axis L, thereby positioning in the rotational direction.
- a plurality of pre-opening springs 8 5... are supported by the rear cover 18 so as to surround the axis L.
- the pre-opening springs 8 5... have a large diameter section 7 2a and a small diameter section 7 2.
- the valve body 72 which presses the step portion 7 2c between b, is urged forward to bring the sliding surfaces 7 7 of the fixed valve plate 7 3 and the movable valve plate 7 4 into close contact. You.
- a steam supply pipe 86 connected to the rear surface of the valve body 72 has a first steam passage P1 formed inside the valve body 72 and a second steam passage P formed in the fixed side valve plate 73. It communicates with the sliding surface 7 through 2.
- a steam discharge chamber 88 sealed by a seal member 87 is formed between the casing main body 12 and the rear cover 18 and the rotor 22.
- the steam discharge chamber 88 is formed by the valve main body.
- the sixth and seventh steam passages P 6 and P 7 formed inside the portion 72 and the fifth steam passage P 5 formed in the fixed valve plate 73 communicate with the sliding surface 77. .
- a sealing member 89 surrounding the connection between the first and second steam passages PI and P2 and a fifth and sixth steam passage P 5 are provided on the mating surface between the valve body 72 and the fixed side valve plate 73.
- a sealing member 90 surrounding the connection portion of P6 is provided on the mating surface between the valve body 72 and the fixed side valve plate 73.
- the both ends of the fourth steam passages P4 are in communication with the third steam passages P3 and the expansion chambers 43, respectively.
- the portion of the second steam passage P2 that opens to the sliding surface 77 is circular, while the portion of the fifth steam passage P5 that opens to the sliding surface 77 is a circle centered on the axis L. It is formed in an arc shape.
- the high-temperature and high-pressure steam generated by heating the water in the evaporator passes from the steam supply pipe 86 to the first steam passage P1 formed in the valve body 72 of the low-pressure valve 71, and to the valve body 72.
- the second steam passage P2 formed in the integral fixed-side valve plate 73 it reaches the sliding surface 77 with the movable-side valve plate 74.
- the second steam passage P2 opening to the sliding surface 77 is instantaneously connected to the corresponding third steam passage P3 formed in the movable valve plate 74 rotating integrally with the rotor 22 during a predetermined intake period.
- the high-temperature high-pressure steam is supplied from the third steam passage P3 to the expansion chamber 43 in the cylinder sleeve 41 via the fourth steam passage P4 formed in the rotor 22.
- FIG. 16 shows a case where it is assumed that the axis L1 of the swash plate 31 is not offset with respect to the axis L of the mouth 22. In this case, the right half of the figure shows The contact trajectory T is symmetrical between the expansion stroke and the left half of the exhaust stroke.
- the contact point p between the spherical convex portion 61 a of the piston 42 and the spherical concave portion 31 a of the swash plate 31 is both spherical.
- the concave portion 6 1a is shifted inward from the axis L3.
- the spherical convex portion 61 a of the piston 42 driven by the high-temperature and high-pressure steam is strongly pressed against the spherical concave portion 31 a of the swash plate 31, so that the spherical convex portion 61 a and the spherical concave portion 31 are formed.
- the trajectory T is offset to the expansion stroke side (right side in the figure), so that the spherical projection 61 a of the piston 42 and the spherical recess 31 a of the swash plate 31 are located at an intermediate position of the expansion stroke.
- the contact point p can be aligned with the axis L2 of the piston 42 and the axis L3 of the spherical recess 61a.
- the piston 42 receives a load from the swash plate 31 in the direction along the axis L2 of the piston 42, thereby reducing the bending moment acting on the piston 42 and the radial offset load. As a result, an increase in frictional resistance and occurrence of abnormal wear can be prevented. At this time, the eccentric load applied to the swash plate 31 from the piston 42 is also reduced, which contributes to the improvement of the durability of the swash plate 31 and the angular roller bearing 30 that supports the swash plate 31 on the swash plate holder 28. Can be.
- the spherical convex portion 61a and the spherical concave portion at the intermediate position of the expansion stroke are offset to the exhaust stroke side with respect to the axis L of the rotor 22 as in the present embodiment, the spherical convex portion 61a and the spherical concave portion at the intermediate position of the expansion stroke.
- the contact point p with 1a can be aligned with the axis L2 of the cylinder 42 and the axis L3 of the spherical recess 61a, but at the intermediate position in the exhaust stroke, the spherical protrusion 61a and the spherical recess 3
- the contact point p with 1a is largely separated from the axis L2 of the cylinder 42 and the axis L3 of the spherical recess 61a (see Fig. 15).
- the load applied to the piston 42 is originally small, so that the resulting bending moment / radial eccentric load becomes very small, so there is no particular problem.
- the horizontal axis is the rotation angle of the rotor 22 measured from the top dead center of the piston 42
- the vertical axis is the bending stress acting on the piston 42 due to the reaction load from the swash plate 31. is there.
- the region where the speed of the piston 42 becomes large In the region where the angle from the top dead center is 60 ° to 140 °), that is, in the region where the lubrication condition between the piston 42 and the cylinder sleeve 41 is the strictest, the bending with the offset indicated by the solid line is bent.
- the stress is smaller than the bending stress of the one without offset indicated by the broken line, and it can be seen that the effect of this embodiment is effectively exhibited.
- the rotation of the mouth 22 causes the rotation of the oil pump 49 provided on the output shaft 32 to operate the oil pan 21 to the oil pipe 52, the oil passage 15 of the front cover 15 and the suction port.
- the oil sucked in through 5 3 is discharged from the discharge port 54, and the oil passage 15 c of the front force bar 15, the oil passage 3 2 a of the output shaft 32, and the annular groove 3 of the output shaft 3 2 2 b, the oil hole 3 2 of the output shaft 3 2..., the annular groove 4 1 b of the cylinder sleeve 4 1 and the oil hole 4 1 c of the cylinder sleeve 4 1, and into the middle 6 2 of the piston 4 2 It is supplied to the space between the formed small diameter portion 62b and the cylinder sleeve 41.
- Part of the oil retained in the small diameter portion 62b flows into a spiral oil groove 62d formed in the intermediate portion 62 of the piston 42, and slides on the sliding surface with the cylinder sleeve 41. Another part of the oil lubricates the sliding surfaces between the compression rings 66, 66 and the oil rings 67 provided on the top portion 63 of the piston 42 and the cylinder sleeve 41.
- the hollow space 6 2 a communicates with the inside of the cylinder sleeve 41 via a plurality of oil holes 6 2 c ... penetrating through the intermediate portion 62 of the piston 42, and the inside of the cylinder sleeve 41 has a plurality of oil holes 4.
- the cylinder sleeve 41 communicates with the annular groove 41b on the outer periphery of the cylinder sleeve 41 via 1c.
- the periphery of the annular groove 4 1 b is covered by the sleeve support flange 3 4 at the center of the rotor 22, but since the sleeve support flange 34 has an oil hole 34, the piston 42 is hollow.
- the oil in the space 62 a is urged radially outward by centrifugal force, and is discharged into the space 68 inside the heat insulating cover 40 through the oil hole 34 b of the sleeve support flange 34, from which the heat insulating cover 40 is formed. Is returned to the oil pan 21 through the oil holes 40 a.
- the oil held in the hollow space 62 a inside the piston 42 and the oil held in the small diameter portion 62 b on the outer periphery of the piston 42 increase the volume of the expansion chamber 43. Is supplied from the small diameter portion 62 b to the top portion 63 side during the expansion stroke, and is supplied from the small diameter portion 62 b to the end portion 61 side during the exhaust stroke in which the volume of the expansion chamber 43 decreases. Therefore, it is possible to reliably lubricate the entire area of the piston 42 in the axial direction.
- the oil flows inside the hollow space 62 a of the piston 42, so that the heat of the top part 63 exposed to high-temperature and high-pressure steam is transmitted to the low-temperature end part 61, and the temperature of the piston 42 is locally reduced. Can be avoided.
- an insulating space 65 is provided between the top part 63 of the piston 42 facing the expansion chamber 43 and the intermediate part 62. Since the heat insulating space 70 is also formed in the low-pressure head 38 facing the expansion chamber 43, heat can escape from the expansion chamber 43 to the piston 42 and the rotor head 38. In this way, it is possible to contribute to improving the performance of the expander M by minimizing the load. In addition, since a large-volume hollow space 62 a is formed inside the piston 42, not only can the weight of the piston 42 be reduced, but also the heat mass of the piston 42 is reduced to allow the piston 42 to move from the expansion chamber 43. Can be more effectively reduced.
- the outer peripheral surface of the cylinder sleeve 41 is exposed from two notches 5 7, 58 formed in the outer peripheral surface of the opening 22 in the circumferential direction, not only can the weight of the rotor 22 be reduced, but also the opening It is possible to improve the thermal efficiency by reducing the heat mass of the overnight 22 and to suppress the heat escape from the cylinder sleeve 41 by making the notches 57, 58 function as heat insulating spaces. it can. Further, since the outer peripheral portion of the mouth 22 is covered with the heat insulating cover 40, heat escape from the cylinder sleeve 41 can be more effectively suppressed.
- the rotary valve 71 supplies and exhausts steam to the axial piston cylinder group 56 via a flat sliding surface 77 between the fixed side valve plate 73 and the movable side valve plate 74. It can be effectively prevented. This is because the flat sliding surface 77 can be easily processed with high precision, so that the clearance can be easily managed as compared with the cylindrical sliding surface.
- a plurality of preload springs 8 5 ... apply a preset load to the valve body 72 to generate surface pressure on the sliding surfaces 7 7 of the fixed valve plate ⁇ 3 and the movable valve plate 74. Leakage of steam from the moving surface 77 can be more effectively suppressed.
- the valve body 72 of the rotary valve 71 is made of stainless steel having a large coefficient of thermal expansion
- the fixed valve plate 73 fixed to the valve body 72 is made of carbon or ceramic having a small coefficient of thermal expansion. Therefore, the centering between the two may deviate due to the difference in the coefficient of thermal expansion.
- the stepped portion 79 b of the outer periphery of the fixing ring 79 is spigot-fitted to the outer periphery of the valve body 72. In this state, the fixing ring 79 is fixed to the valve body 72 with a plurality of ports 80...
- the fixed side valve plate 73 is attached to the valve body 72 by the centering action of the in-row fitting.
- the center of the expander M can be prevented precisely, and the timing of supply and discharge of steam can be prevented from being shifted, thereby preventing the performance of the expander M from deteriorating.
- the contact surface between the fixed side valve plate 73 and the valve body 72 can be uniformly adhered by the fastening force of the port 80, and the leakage of steam from the contact surface can be suppressed.
- the rotary valve 71 can be attached to and detached from the casing body 12, so that maintenance work such as repair, cleaning, and replacement can be performed easily. Significantly improved.
- the rotary valve 71 through which high-temperature, high-pressure steam passes, becomes hot, but the swash plate 31 and the output shaft 32, which require lubrication with oil, are located on the opposite side of the rotary pulp 71 across the rotor 22. Therefore, it is possible to prevent the oil from being heated by the heat of the rotary valve 71, which is heated to a high temperature, and thereby reduce the lubrication performance of the swash plate 31 and the output shaft 32.
- the oil also functions to cool the one-way valve 71 to prevent overheating.
- the present invention is suitably applied to the expander M of the Rankine cycle device.
- the present invention can be applied to an expander for any other use. is there.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003243939A AU2003243939A1 (en) | 2002-06-21 | 2003-06-20 | Expansion machine |
US10/516,883 US20050254965A1 (en) | 2002-06-21 | 2003-06-20 | Expansion machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002180855A JP2004027862A (ja) | 2002-06-21 | 2002-06-21 | 膨張機 |
JP2002/180855 | 2002-06-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004001195A1 true WO2004001195A1 (ja) | 2003-12-31 |
Family
ID=29996615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/007847 WO2004001195A1 (ja) | 2002-06-21 | 2003-06-20 | 膨 張 機 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20050254965A1 (ja) |
JP (1) | JP2004027862A (ja) |
AU (1) | AU2003243939A1 (ja) |
WO (1) | WO2004001195A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010052508A1 (de) * | 2010-11-26 | 2012-05-31 | Daimler Ag | Abwärmenutzungsvorrichtung |
JP6203328B1 (ja) * | 2016-05-10 | 2017-09-27 | 三菱電機株式会社 | 斜板式ピストンポンプ |
JP7307937B2 (ja) * | 2019-06-11 | 2023-07-13 | 株式会社 神崎高級工機製作所 | Hst及び変速装置 |
JP7398289B2 (ja) | 2020-02-05 | 2023-12-14 | パナソニックホールディングス株式会社 | レシプロ膨張機及びランキンサイクル装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5773867A (en) * | 1980-10-25 | 1982-05-08 | Honda Motor Co Ltd | Multi-plunger type hydraulic apparatus |
JPS6098179A (ja) * | 1983-11-04 | 1985-06-01 | Diesel Kiki Co Ltd | 斜板式ピストンポンプ |
JPH02102958A (ja) * | 1988-10-12 | 1990-04-16 | Honda Motor Co Ltd | 斜板プランジャ式油圧装置 |
US5176066A (en) * | 1990-02-19 | 1993-01-05 | Hitachi, Ltd. | Axial piston pump apparatus with an improved drive mechanism |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3942189C1 (ja) * | 1989-12-20 | 1991-09-05 | Hydromatik Gmbh, 7915 Elchingen, De | |
US5363740A (en) * | 1993-07-16 | 1994-11-15 | Pneumo Abex Corporation | Fluid motor/pump with scavenged case |
JP3874308B2 (ja) * | 1994-10-18 | 2007-01-31 | 株式会社小松製作所 | 斜板式ピストンポンプ・モータの斜板角度変更装置 |
DE19947677B4 (de) * | 1999-10-04 | 2005-09-22 | Zexel Valeo Compressor Europe Gmbh | Axialkolbenverdichter |
DE60136128D1 (de) * | 2000-06-19 | 2008-11-27 | Toyota Jidoshokki Kariya Kk | Taumelscheibenverdichter |
-
2002
- 2002-06-21 JP JP2002180855A patent/JP2004027862A/ja not_active Withdrawn
-
2003
- 2003-06-20 US US10/516,883 patent/US20050254965A1/en not_active Abandoned
- 2003-06-20 AU AU2003243939A patent/AU2003243939A1/en not_active Abandoned
- 2003-06-20 WO PCT/JP2003/007847 patent/WO2004001195A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5773867A (en) * | 1980-10-25 | 1982-05-08 | Honda Motor Co Ltd | Multi-plunger type hydraulic apparatus |
JPS6098179A (ja) * | 1983-11-04 | 1985-06-01 | Diesel Kiki Co Ltd | 斜板式ピストンポンプ |
JPH02102958A (ja) * | 1988-10-12 | 1990-04-16 | Honda Motor Co Ltd | 斜板プランジャ式油圧装置 |
US5176066A (en) * | 1990-02-19 | 1993-01-05 | Hitachi, Ltd. | Axial piston pump apparatus with an improved drive mechanism |
Also Published As
Publication number | Publication date |
---|---|
JP2004027862A (ja) | 2004-01-29 |
US20050254965A1 (en) | 2005-11-17 |
AU2003243939A1 (en) | 2004-01-06 |
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