IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0592455
(2005-03-08)
|
등록번호 |
US-7458791
(2008-12-02)
|
우선권정보 |
EP-04460001(2004-03-09) |
국제출원번호 |
PCT/PL05/000014
(2005-03-08)
|
§371/§102 date |
20060907
(20060907)
|
국제공개번호 |
WO05/085598
(2005-09-15)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- Radziwill Compressors SP. Z O.O.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
6 인용 특허 :
1 |
초록
▼
Rotary working machine provided with an assembly of working chambers with periodically variable volume, in particular a compressor, consisting of a stator with a controlling cam and a surrounding cylindrical rotator, with which are connected working elements, rotating together with it, driven by the
Rotary working machine provided with an assembly of working chambers with periodically variable volume, in particular a compressor, consisting of a stator with a controlling cam and a surrounding cylindrical rotator, with which are connected working elements, rotating together with it, driven by the cam and forming, together with an inner surface of the rotator and an outer surface of the cam, working chambers with variable volume, connected during the rotator's rotation with an intake and an outlet, respectively, of a medium being compressed. The compressor is characterized in that the assembly of working elements (10, 11, 12), forming a working unit (9) or separate working elements (10'), are connected with the cylindrical rotator (8, 8') in a way enabling 6 their oscillating motion. Points (23, 23') of contact of the working elements (10, 11, 12, 10') are simultaneously driven by the cam (5, 6, 7, 5'), the outline of which constitutes a line equidistant from a Radziwill curve, constituting a locus of points forming a closed trajectory being described, on an immobile plane perpendicular to the axis of the cylindrical rotator (8, 8'), by a vertex point (C, C') of the working element (10, 11, 12, 10'), moving in relation to the rotator (8, 8') in an oscillation with a resonance frequency during one full revolution of the cylindrical rotator (8, 8'). Inertia moment lo, of the working unit (9), or the working element (10'), has a value ensuring the resonance frequency of proper vibration of the working unit (9), or the working element (10'), wherein a ratio of the resonance oscillation frequency to a frequency of the cylindrical rotator's (8, 8') revolution is expressed by a natural number v.
대표청구항
▼
The invention claimed is: 1. A rotary working machine provided with an assembly of working chambers with periodically variable volume, comprising: a stator with at least one controlling cam located on an outer surface of the stator and a surrounding cylindrical rotator comprising a set of oscillati
The invention claimed is: 1. A rotary working machine provided with an assembly of working chambers with periodically variable volume, comprising: a stator with at least one controlling cam located on an outer surface of the stator and a surrounding cylindrical rotator comprising a set of oscillating working elements provided within a plurality of cylindrical sockets on an inner surface of the cylindrical rotator to enable oscillatory motion of the set of oscillating working elements, wherein the set of oscillating working elements are driven by the controlling cam on an stator outer surface, wherein an inner surface of the cylindrical rotator and an outer surface of the controlling cam define a plurality of working chambers with a variable volume that are each connected during the rotation of the cylindrical rotator with an intake and an outlet for a medium being compressed, wherein the outline of the controlling cam constitutes a line equidistant from a curve comprising the range of the points XQp) and Y(p) which are described by the parametric equations: description="In-line Formulae" end="lead"X(φ)=l sin φ+r sin(φ+y+θ(φ))description="In-line Formulae" end="tail" description="In-line Formulae" end="lead"Y(φ)=l cos φ+r sin(φ+y+θ(φ))description="In-line Formulae" end="tail" further comprising a locus of points forming a closed trajectory on an immobile plane perpendicular to the axis of the cylindrical rotator, by the vertex point of the working elements moving in relation to the rotator in an oscillation with a resonance frequency during one full revolution of the cylindrical rotator, wherein an inertia moment of the working elements are provided in parallel to an oscillation axis to obtain a resonance frequency of proper vibration of the set of oscillating working elements in relation to the cylindrical rotator as expressed by the following equation: wherein a ratio of the resonance oscillation frequency to a frequency of rotation of the cylindrical rotator is expressed by a constant natural number. 2. The machine according to claim 1, wherein each of said working elements is blade-shaped with a concave-convex section and is connected with a pivot that is swivel mounted in the cylindrical rotator. 3. The machine according to claim 2, wherein at least two working elements in the set of oscillating working elements are parallel and symmetrically located in relation to the pivot. 4. The machine according to claim 3 wherein the at least two working elements in the set of working elements comprise a working unit that includes a middle first oscillating working element comprising a blade with a width twice as large as a width of blades of second and third oscillating working elements of the working unit, wherein the second and third oscillating working elements are disposed outboard of the first oscillating working element blades and the first, second, and third oscillating working elements are located in equal distance from the remaining oscillating working elements, wherein the pivots of the working unit are swivel mounted in rolling bearings provided in sockets of the cylindrical rotator symmetrically on opposite sides of the first oscillating working element and in an equal distance from an axis of rotation, wherein the controlling cam mates with the working elements provided on the stator that form a camshaft, wherein the at least one controlling cam comprises a first controlling cam, a second controlling cam, and a third controlling cam; wherein the first controlling cam is twice as wide as the second and third controlling cams of the at least one controlling cam, and each of the oscillating working elements has a vertex point comprising a contact edge for engagement with a surface of the corresponding controlling cam. 5. The machine according to claim 4, wherein the camshaft is hollow with a central aperture for introduction and evacuation of a compressible medium with respective working chambers formed inside the cylindrical rotator in communication with a plurality of intake slots and outlet slots of the controlling cams. 6. The machine according to claim 4 further comprising an axial aperture in the camshaft that receives a pipe forming an internal manifold for introducing a medium to be compressed, wherein the pipe further comprises a plurality of intake slots in communication with the working chambers formed in the interior of the cylindrical rotator, wherein a slot between an outer surface of the pipe and an inner surface of the aperture in the camshaft is connected with a plurality of outlet slots of the cams and a plurality of working chambers are formed in the interior of the cylindrical rotator. 7. The machine according to claim 4, wherein the cylindrical rotator comprises at least five cylindrical apertures symmetrically located around the rotation axis of the cylindrical rotator, the cylindrical apertures housing rolling bearings with swivel mounted working units, and wherein the cylindrical rotator further comprises cylindrical sockets in which the working elements oscillate that are defined in an inner surface of the cylindrical rotator that are coaxial in relation to axes of the apertures for bearings. 8. The machine according to claim 2 further comprising a stationary block surrounding the cylindrical rotator and enclosed by an the stator the stationary block being connected with the stationary camshaft and provided with an intake aperture for introducing a medium to be compressed to the internal manifold, and further comprising an outlet aperture for evacuating a compressed medium from the annular slot, wherein the cylindrical rotator is connected with a flange of a coupling to transmit a drive from a power source. 9. The machine according to claim 1 further comprising an assembly of oscillating working elements in a form of cradles with a first cylindrical surface with a radius of curvature equal to half of a radius of curvature of an inner surface of the cylindrical rotator, wherein an opposite side of each oscillating working element comprises a projection and contact edge vertex point that is surrounded by a cylindrical surface, for engagement with the surface of the controlling cam. 10. The machine according to claim 9 wherein the cylindrical rotator further comprises radial projections that are directed towards the interior of the cylindrical rotator that are provided on the inner surface, while lateral surfaces of the projections are convergent towards an axis of the cylindrical rotator. 11. The machine according to claim 9 wherein the cylindrical rotator further comprises at least four radial projections provided on the inner surface of the cylindrical rotator. 12. The machine according to claim 9 wherein the cylindrical rotator further comprises at least eight radial projections provided on the inner surface of the cylindrical rotator. 13. The machine according to claim 9 wherein the controlling cam comprises an outline corresponding to a line equidistant from the curve and further comprises at least one transverse intake aperture that is in communication with the working chambers by intake slots of the controlling cam with the working chambers that are formed in the interior of the cylindrical rotator, and wherein the at least one transverse intake aperture is additionally in communication with at least one outlet aperture by outlet slots of the controlling cam.
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