Revolving outer body arc vane rotary compressor or expander

A nested multistage rotary expander combining a plurality of radially nested (first/inner and second/outer) rotary expanders in such a way that the output of first/inner rotary expander is the input of a second/outer rotary expander, wherein the first and second rotary expanders comprising:

• a rotatable housing having a generally cylindrical main chamber, a generally cylindrical middle ring mounted eccentrically with respect to rotatable housing main chamber center and a generally cylindrical rotatable rotor mounted eccentrically with respect to rotatable middle ring, the rotatable housing chamber fully containing the rotatable middle ring and the rotatable middle ring fully containing the rotor;
• radially nested multistage rotary expander further including:
• a generally cylindrical rotor free to revolve 360° around fixed eccentrically placed axis center, a single vane assembly comprised of an arched circular portion having a pivot axis fixed to rotor and a hinge movably connecting said vane to rotatable middle ring, said middle ring eccentrically placed axis center located closer to main rotatable housing axis center with respect to rotor axis center;
• a generally cylindrical rotatable housing free to revolve 360° around fixed axis center and a single vane assembly comprised of an arched circular portion having a pivot axis fixed to rotatable housing and a hinge movably connecting said vane to rotatable middle ring;
• a fixed shaft center rigidly connected to external fixed reference frame and a rotatable housing revolving 360° around said fixed shaft center;
• a fixed shaft center rigidly connected to eccentrically placed fixed cylindrical fixed shaft extension and a middle ring, rotatably and circumferentially revolving 360° around said eccentrically placed cylindrical fixed shaft extension;
• a fixed shaft center rigidly connected to eccentrically placed fixed cylindrical axis extension and a rotor rotatably and circumferentially revolving 360° around said eccentrically placed axis extension, an eccentricity of rotor axis being larger than eccentricity of rotatable middle ring axis;
• air and/or fluidic journal and/or roller bearings provided between rotatable housing and fixed shaft center, between rotatable middle ring and fixed eccentric shaft axis and also between rotor and fixed eccentric rotor shaft axis to reduce rotational friction;
• an inner single arc vane element pivotally mounted to rotor body and periodically extending sealingly from rotor slot into said rotatable middle ring to divide the inner crescent shape volume into two consecutive working chambers, said rotor movably hinged to said inner arc vane in such a way that outer cylindrical surface of said rotor is sealingly tangent to rotatable middle ring chamber inner peripheral without any frictional contact;
• an outer single arc vane element pivotally mounted to rotatable housing body and periodically extending sealingly from rotatable housing slot into eccentrically placed rotatable middle ring to divide the outer crescent shape volume into two consecutive working chambers, said rotatable housing body movably hinged to said outer arc vane in such a way that inner cylindrical surface of said rotatable housing is sealingly tangent to rotatable middle ring working chamber outer peripheral without any frictional contact;
• an inner crescent shape middle ring chamber formed by inner peripheral of middle ring and outer surface of rotor being periodically divided into at most two working chambers by the pivoting inner vane and the common tangency point of two osculating surfaces, namely the rotor outer boundary and rotatable middle ring cylindrical inner peripheral;
• an outer crescent shape main housing chamber formed by inner peripheral of main housing and outer surface of middle ring being periodically divided into at most two working chambers by the pivoting outer vane and the common tangency point of two osculating surfaces, namely the middle ring outer boundary and rotatable main housing cylindrical inner peripheral;
• a working cycle lasting for 360° clockwise rotation of rotatable middle ring, wherein a new working cycle under the rotation of said middle ring is initiated every time the inner arc vane crosses the tangency point, wherein a first working chamber admitting high pressure fluid from inlet port and filling said chamber imparts energy to said rotatable middle ring, eccentric rotor and inner arc vane assembly under the forcing torque and pressure of admitted fluid, and wherein said first working chamber is progressively enlarged to a crescent shape like volume with admitted high pressure and momentum working fluid to be moved to a second working chamber;
• a working cycle lasting for 360° clockwise rotation of rotatable main housing, wherein a new working cycle under the rotation of said main housing is initiated every time the outer arc vane crosses the tangency point, wherein a third working chamber admitting high pressure fluid from connected second working chamber imparts energy to said rotatable main housing, eccentric rotor and outer arc vane assembly under the forcing torque and pressure of admitted fluid, and wherein a third working chamber is progressively enlarged to a crescent shape like volume and expanding the admitted high pressure and momentum working fluid through;
• a second working cycle defined in the consecutive 360° clockwise rotation of said rotatable housing, eccentric middle ring and outer arc vane assembly allowing the fully expanded working fluid to be moved to fourth working chamber to discharge through exhaust port, wherein the maximum crescent shape volume of the outer expander main chamber is sized to allow the inlet fluid pressure expansion to desired discharge pressure;
• a plurality of working chambers formed depending on the rotational position of the inner pivoting vane, each of the said chambers, delimited by inner cylindrical peripheral surface of rotatable middle ring, outer peripheral surface of the rotor and the side surface of the inner hinged arc vane;
• a plurality of working chambers formed depending on the rotational position of the outer pivoting vane, each of the said chambers, delimited by inner cylindrical peripheral surface of rotatable main housing, outer peripheral surface of the middle ring and the side surface of the outer hinged arc vane;
• an inlet port for inner rotary expander located at rotor fixed axis center, continuously admitting working fluid within inner rotary expander, an inner arc vane preventing said working fluid to bypass the inner working chambers and shortcut inner expander inlet and outlet ports;
• an inlet port for outer rotary expander located on the rotatable middle ring, continuously admitting working fluid from inner rotary expander working chamber, the outer arc vane preventing said working fluid to bypass the outer working chambers and shortcut outer expander inlet and outlet ports;
• both inner and outer inlet ports admitting high pressure and momentum inlet fluid flows into the working chambers delimited by the rotor, rotatable middle ring, rotatable housing cylindrical peripheral walls, inner and outer arc vanes, respectively;
• a periodic sequence of expanded fluid expulsed from the outlet port with each rotation of rotatable housing, rotatable middle ring and outer arc vane assembly in response to high pressure and temperature fluid expansion in consecutive working chambers of said outer expander;
• a dynamic balance achieved by assembling and operating side-by-side twin/identical radially nested multistage rotary expanders with separate inlet and exit ports, said twin expanders connected in such a way that each expander respective outer vane circumferential positions is 180° phase angle apart with respect to other twin expander;
• radial or axial compressor blades or fan blades attached on the outer periphery of rotatable housing of described radially nested multistage rotary expander so as to form turbo-rotary components to be used as part of turbojets, turbofans, turboprops and turboshaft engines;
• and
• electrical generators components attached on the outer periphery of rotatable housing of described radially nested multistage rotary expander so as to form a compact fluid energy recovery electrical generator device.

A rotary compressor, comprising:

• a rotatable housing having a generally cylindrical main chamber, a generally cylindrical rotatable rotor mounted eccentrically with respect to housing main chamber center axis;
• a single vane assembly comprised of an arched circular portion having a pivot axis fixed to rotatable housing body and a hinge movably connecting said vane to the rotor, or alternatively, a single vane assembly comprised of an arched circular portion having a pivot axis fixed to rotor body and a hinge movably connecting said vane to the rotatable housing body, the rotary expander further including:
• a fixed shaft center rigidly connected to external fixed reference frame and a rotatable housing revolving 360° around said fixed axis;
• a fixed shaft center rigidly connected to eccentrically placed fixed cylindrical shaft extension and a rotor rotatably and circumferentially revolving 360° around said eccentrically placed cylindrical fixed shaft extension;
• air and/or fluidic journal and/or roller bearings provided between rotatable housing and fixed shaft center and also provided between rotor and fixed eccentric shaft to reduce rotational friction;
• a single arc vane element pivotally mounted to rotor body and periodically extending sealingly from rotor slot into said rotatable main chamber to divide the crescent shape volume into two consecutive working chambers, said rotor movably hinged to said arc vane in such a way that outer cylindrical surface of said rotor is sealingly tangent to rotatable housing working chamber inner peripheral without any frictional contact, or alternatively, a single arc vane element pivotally mounted to rotatable housing body and periodically extending sealingly from rotatable housing slot into eccentrically placed rotor to divide the crescent shape volume into two consecutive working chambers, said rotatable housing body movably hinged to said arc vane in such a way that inner cylindrical surface of said rotatable housing is sealingly tangent to rotor working chamber outer peripheral without any frictional contact;
• a crescent shape rotatable housing chamber formed by inner peripheral of housing and outer surface of the rotor being periodically divided into at most two working chambers by the pivoting vane and the common tangency point of two osculating surfaces, namely the rotor outer boundary and rotatable housing cylindrical inner peripheral;
• a plurality of working chambers formed depending on the rotational position of the pivoting vane, each of the said chambers, delimited by inner cylindrical peripheral surface of rotatable housing chamber, outer peripheral surface of the rotor and the side surface of the hinged arc vane;
• an inlet port formed in said rotatable housing for admitting ambient pressure fluid flows into a working chamber delimited by the rotor outer cylinder surface, rotatable housing inner cylindrical peripheral wall and arc vane side surface;
• an rotatable inlet port positioned so as to prevent said working fluid to bypass the working chambers and shortcut the inlet and outlet ports;
• a working cycle lasting for 360° clockwise or counterclockwise rotation of rotatable housing, wherein a new working cycle under the rotation of said housing is initiated every time the arc vane crosses the tangency point, the first working chamber admitting ambient pressure fluid from inlet port for entire duration of the first 360° rotation, wherein a second working cycle is defined in the consecutive 360° clockwise or counterclockwise rotation of said rotatable housing and said rotor, compressing the working fluid to high pressure in second working chamber by continuously diminishing chamber working volume;
• discharging said compressed fluid through exhaust port, wherein the maximum crescent shape volume of the compressor main chamber is sized to allow the outlet fluid pressure to reach desired high discharge pressure values;
• a periodic sequence of compressed fluid discharged from the outlet port with each rotation of the rotatable main housing in response to input driving torque and circumferential speed of said main rotatable housing;
• an outlet port equipped with a check-valve or a rotating valve synchronous with main housing shaft speed either mechanically or electrically, regulating the exhaust time and duration of the high pressure working fluid leaving from rotary compressor and thus preventing the said working fluid to bypass the working chambers and shortcut the inlet and outlet ports and strictly preventing any pressurized working fluid to enter back the working chamber from the exhaust port;
• a dynamic balance achieved by assembling and operating side-by-side twin/identical rotary compressors with separate inlet and exit ports, said twin compressors connected in such a way that one rotary compressor respective arc vane circumferential positions is 180° phase angle apart with respect to other twin compressor;
• radial or axial turbine blades rows attached on the outer periphery of rotatable housing of described rotary compressor so as to form turbo-rotary components to be used as part of turbojets, turbofans, turboprops and turboshaft engines;
• and
• electrical motor components attached on the outer periphery of rotatable housing of described rotary compressor so as to form a compact fluid energy input device.

A nested multistage rotary compressor combining a plurality of radially nested (first/outer and second/inner) rotary compressors in such a way that the output of first/outer rotary compressor is the input of a second/inner rotary compressor, wherein the first and second rotary compressor comprising:

• a rotatable housing having a generally cylindrical main chamber, a generally cylindrical middle ring mounted eccentrically with respect to rotatable housing main chamber center and a generally cylindrical rotatable rotor mounted eccentrically with respect to rotatable middle ring, the rotatable housing chamber fully containing the rotatable middle ring and the rotatable middle ring fully containing the rotor;
• radially nested multistage rotary compressor further including:
• a generally cylindrical rotatable main housing free to revolve 360° around fixed axis center and a single vane assembly comprised of an arched circular portion having a pivot axis fixed to rotatable housing and a hinge movably connecting said vane to the rotatable middle ring;
• a generally cylindrical rotor free to revolve 360° around fixed eccentrically placed axis center, a single vane assembly comprised of an arched circular portion having a pivot axis fixed to rotor and a hinge movably connecting said vane to rotatable middle ring, said middle ring eccentrically placed axis center located closer to main rotatable housing axis center with respect to rotor axis center;
• a fixed shaft center rigidly connected to external fixed reference frame and a rotatable housing revolving 360° around said fixed shaft center;
• a fixed shaft center rigidly connected to eccentrically placed cylindrical fixed shaft extension and a middle ring, rotatably and circumferentially revolving 360° around said eccentrically placed cylindrical fixed shaft extension;
• a fixed shaft center rigidly connected to eccentrically placed cylindrical fixed axis extension and a rotor rotatably and circumferentially revolving 360° around said eccentrically placed axis extension, an eccentricity of rotor axis being larger than eccentricity of rotatable middle ring axis;
• air and/or fluidic journal and/or roller bearings provided between rotatable housing and fixed shaft center, between rotatable middle ring and fixed eccentric shaft axis and also between rotor and fixed eccentric rotor shaft axis to reduce rotational friction;
• an outer single arc vane element pivotally mounted to rotatable housing body and periodically extending sealingly from rotatable housing slot into eccentrically placed rotatable middle ring to divide the outer crescent shape volume into two consecutive working chambers, said rotatable housing body movably hinged to said outer arc vane in such a way that inner cylindrical surface of said rotatable housing is sealingly tangent to rotatable middle ring working chamber outer peripheral without any frictional contact;
• an inner single arc vane element pivotally mounted to rotor body and periodically extending sealingly from rotor slot into said rotatable middle ring to divide the inner crescent shape volume into two consecutive working chambers, said rotor movably hinged to said inner arc vane in such a way that outer cylindrical surface of said rotor is sealingly tangent to rotatable middle ring chamber inner peripheral without any frictional contact;
• an outer crescent shape main housing chamber formed by inner peripheral of main housing and outer surface of middle ring being periodically divided into at most two working chambers by the pivoting outer vane and the common tangency point of two osculating surfaces, namely the middle ring outer boundary and rotatable main housing cylindrical inner peripheral;
• an inner crescent shape middle ring chamber formed by inner peripheral of middle ring and outer surface of rotor being periodically divided into at most two working chambers by the pivoting inner vane and the common tangency point of two osculating surfaces, namely the rotor outer boundary and rotatable middle ring cylindrical inner peripheral;
• an inlet port for outer rotary compressor located at rotatable main housing, continuously admitting working fluid into outer rotary compressor, the outer arc vane preventing said working fluid to bypass the outer working chambers and shortcut outer compressor inlet and outlet ports;
• outer compressor first working chamber delimited by the rotatable housing inner cylindrical peripheral wall, middle ring cylindrical outer surface and arc vane side surface;
• a working cycle lasting for 360° counter-clockwise rotation of rotatable main housing, wherein a new working cycle under the rotation of said main housing is initiated every time the outer arc vane crosses the tangency point, wherein a first working chamber admitting ambient pressure fluid from inlet port of outer rotary compressor for entire duration of the first 360° rotation, a next working cycle defined in the consecutive 360° counterclockwise rotation of said rotatable middle ring and said rotor, further compressing the working fluid to higher pressure in a second working chamber by continuously diminishing chamber working volume and discharging said compressed fluid through outer rotary compressor exhaust port on the second/inner rotary compressor, the next working cycle defined in the consecutive 360° clockwise rotation of said eccentrically placed middle ring, inner rotor and inner arc vane assembly allowing further compression of working fluid now in fourth working chamber to discharge through inner compressor exhaust port, with maximum crescent shape volume of the outer compressor main chamber is sized to allow the radially nested multistage rotary compressor to achieve overall desired discharge pressure;
• a plurality of working chambers formed depending on the rotational position of the outer pivoting vane, each of the said chambers, delimited by inner cylindrical peripheral surface of rotatable main housing, outer peripheral surface of the middle ring and the side surface of the outer hinged arc vane;
• a plurality of working chambers formed depending on the rotational position of the inner pivoting vane, each of the said chambers, delimited by inner cylindrical peripheral surface of rotatable middle ring, outer peripheral surface of the rotor and the side surface of the inner hinged arc vane;
• a periodic sequence of compressed fluid discharged from the outlet port of inner rotary compressor with each rotation of the rotatable main housing in response to input driving torque and circumferential speed of said main rotatable housing;
• Inner compressor outlet port is also connected to rotor eccentrically placed fixed hollow axis center, said outlet port discharging high pressure working fluid;
• a periodic sequence of continuously compressed fluid discharged from outlet port of inner rotary compressor with each rotation of rotatable middle ring, rotor and inner arc vane assembly in response to input driving torque and circumferential speed of said main rotatable housing;
• a dynamic balance achieved by assembling and operating side-by-side twin/identical radially nested multistage rotary compressors with separate inlet and exit ports, said twin compressors connected in such a way that each compressor respective outer vane circumferential positions is 180° phase angle apart with respect to other twin compressor;
• radial or axial turbine blades attached on the outer periphery of rotatable housing of described, radially nested multistage rotary compressor so as to form turbo-rotary components to be used as part of turbojets, turbofans, turboprops and turboshaft engines;
• and
• electrical generators components attached on the outer periphery of rotatable housing of described radially nested multistage rotary expander so as to form a compact fluid energy recovery electrical generator device