METHOD AND APPARATUS FOR MAKING SCROLLS FROM EXFOLIATABLE MATERIALS

A method of making scrolls is provided that includes providing a tape having a first side and second side wherein the first side of the tape is has an adhesive disposed thereon and the second side of the tape has a release coating disposed thereon, affixing the adhesive to a solid surface, buff-coating exfoliatable particles on the release side of the tape to form a coating; and peeling the tape from the solid surface at an angle. The coating separates from the release side of the tape and curls inwards to form scrolls. The scrolls can include graphite. Also provided is a continuous method of making scrolls and an apparatus. 2. A method of making scrolls according to claim 1 , wherein the scrolls comprise graphite.3. A method of making scrolls according to claim 1 , wherein the adhesive comprises a mechanical fastener.4. A method of making scrolls according to claim 2 , wherein the tape comprises a substrate selected from polyester claim 2 , cellulose claim 2 , polyester claim 2 , polypropylene claim 2 , polyethylene claim 2 , polystryrene claim 2 , polycarbonate claim 2 , polyvinylchloride claim 2 , polyimide claim 2 , polymethyl methacrylate claim 2 , cellulose claim 2 , and polyvinyl chloride.5. A method of making scrolls according to wherein the tape comprises 3M 810 MAGIC TAPE.6. A method of making scrolls according to claim 3 , wherein the solid surface comprises glass claim 3 , metal claim 3 , polymer claim 3 , ceramic claim 3 , or a combination thereof.7. A method of making scrolls according to claim 1 , wherein the exfoliatable particles comprise high purity synthetic high surface area graphite.8. A method of making scrolls according to claim 1 , wherein the buff-coating is performed for at least 2 minutes.9. A method of making scrolls according to claim 1 , wherein the tape is peeled at an angle of from about 0° to about 180° from the solid surface.10. A method of making scrolls according to claim 9 , wherein the tape is peeled at an angle of from about 90 ...

PUMP WITH ROTOR HAVING ARCUATE SLOTS AND VANES

A pump includes a shaft to rotate about a longitudinal axis, a rotor, at least two arcuate slots extending continuously into and through the rotor, wherein each of the slots is curved along a longitudinal slot axis, and at least two arcuate vanes, each of the vanes being shaped to be slidably seated in one of the slots, each of the vanes being movable in the corresponding slot between an extended position with the external edge of the vane adjacent the interior sidewall of the housing, and a retracted position wherein the external edge of the vane does not extend beyond the cylindrical surface of the rotor. Each of the vanes is spaced from an adjacent vane about the rotor such that there is always at least one vane positioned between the fluid inlet and fluid outlet ports. 1. A rotary pump comprising:a shaft to rotate about a longitudinal axis;a rotor centrally secured to the shaft, the rotor having a body with spaced ends and a cylindrical surface extending between the spaced ends;a rotor disk secured to each end of the rotor and secured at a centre of the rotor disk to the shaft;a housing encasing the shaft, the rotor disks, and the rotor within an internal cavity, the housing having interior end walls and an interior sidewall, with fluid inlet and fluid outlet ports in the interior sidewall, a first section of the interior sidewall of the housing being cylindrical and curved with a constant radius over an angle of about approximately 180°, the first section being spaced a constant distance from confronting sections of the cylindrical surface of the rotor, and a second section of the interior sidewall of the housing extending between the extremities of the first section of the interior sidewall, the cylindrical surface of the rotor being proximal to the interior sidewall of the housing between the fluid inlet and fluid outlet ports about midway along the second section, the fluid inlet and fluid outlet ports being located in the second section of the interior ...

COMPRESSOR WITH ROTATING CAM AND SLIDING END VANES

An apparatus for compressing or pumping fluid includes a housing having an interior chamber. The housing includes an end wall having a fluid inlet and a fluid outlet. A rotating cam is rotatably mounted within the interior chamber and includes a cam body having an end with a sloped annular channel formed therein. The apparatus also includes am end vane slidably mounted within a slot in the end wall so as to extend into the sloped annular channel for sliding therein as the rotating cam rotates. The end vane divides the sloped annular channel into an inlet chamber and an outlet chamber such that, as the rotating cam rotates, the inlet chamber expands and communicates with the fluid inlet for receiving the fluid, and the outlet chamber contracts and communicates with the fluid outlet for expelling the fluid. 1. An apparatus for compressing or pumping fluid , the apparatus comprising:a) a housing having an interior chamber, the housing including a first end wall on one side of the interior chamber, the first end wall having a fluid inlet and a fluid outlet;b) a rotating cam rotatably mounted within the interior chamber, the rotating cam comprising a cam body having a first end located adjacent to the first end wall, the first end having a first sloped annular channel formed therein, the first sloped annular channel including a ramp that is circumscribed by inner and outer circumferential sidewalls; andc) a first end vane slidably mounted within a slot in the first end wall so as to extend into the first sloped annular channel for sliding therein as the rotating cam rotates, the first end vane being biased towards the ramp so as to divide the sloped annular channel into an inlet chamber and an outlet chamber such that, as the rotating cam rotates, the inlet chamber expands and communicates with the fluid inlet for receiving the fluid, and the outlet chamber contracts and communicates with the fluid outlet for expelling the fluid.2. The apparatus of claim 1 , further ...

APPARATUS FOR DRIVING FLUID HAVING A ROTATING CAM AND ROCKER ARM

An apparatus for driving fluid includes a housing having an interior chamber in communication with a fluid inlet for receiving the fluid and a fluid outlet for expelling the fluid, a cam rotatably mounted within the interior chamber, the cam configured to drive fluid to flow, the cam having an annular channel formed therein, a working vane extending into the annular channel for sliding therein as the cam rotates, wherein the working vane divides the annular channel into an inlet chamber and an outlet chamber such that, as the cam rotates, the inlet chamber expands and the outlet chamber contracts, a follower vane extending into the annular channel for sliding therein as the cam rotates, wherein the follower vane allows fluid to pass in he annular channel, and a rocker arm for providing dependent motion between the working vane and the follower vane. 1. An apparatus for driving fluid comprising:a housing having an interior chamber in communication with a fluid inlet for receiving the fluid and a fluid outlet for expelling the fluid;a cam rotatably mounted within the interior chamber, the cam configured to drive fluid to flow, the cam having an annular channel formed therein;a working vane extending into the annular channel for sliding therein as the cam rotates, wherein the working, vane divides the annular channel into an inlet chamber and an outlet chamber such that, as the cam rotates, the inlet chamber expands and the outlet chamber contracts;a follower vane extending into the annular channel for sliding therein as the cam rotates, wherein the follower vane allows fluid to pass in the annular channel; anda rocker arm for providing dependent motion between the working vane and the follower vane.2. The apparatus of claim 1 , wherein the rocker arm has a first arm end engaging the working vane and a second arm end engaging the follower vane claim 1 , and wherein the first and second arm ends are on opposite sides of a rocker pivot to provide opposed motion of the ...

COMPRESSOR WITH ROTATING CAM AND SLIDING END VANES

An apparatus for compressing or pumping fluid includes a housing having an interior chamber. A rotating cam is rotatably mounted within an interior chamber and includes a reversible cam body configured to enable fluid to flow in a foreword direction and a reverse direction. The reversible cam body has a first sloped annular channel formed therein. The first end of the reversible cam body includes a ramp up portion, a ramp down portion, and inner and outer circumferential sidewalls that circumscribe the ramp to define the first sloped annular channel. The apparatus may include a circumferential cam gear located on the outer circumferential sidewall and a secondary drive shaft with a pinion gear to rotate the circumferential cam gear. 1. An apparatus for compressing or pumping fluid , the apparatus comprising:a housing having an interior chamber, the housing including a first end wall on one side of the interior chamber, the first end wall having a fluid inlet and a fluid outlet;a rotating cam rotatably mounted within the interior chamber, the rotating cam comprising a reversible cam body configured to enable fluid to flow in a forward direction and a reverse direction, the reversible cam body having a first end located adjacent to the first end wall, the first end having a first sloped annular channel formed therein, the first end of the reversible cam body including a ramp up portion, a ramp down portion, and inner and outer circumferential sidewalls that circumscribe the ramp to define the first sloped annular channel; anda first end vane slidably mounted within a slot in the first end wall so as to extend into the first sloped annular channel for sliding therein as the rotating cam rotates, the first end vane being biased towards the ramp so as to divide the sloped annular channel into an inlet chamber and an outlet chamber such that, as the rotating cam rotates, the inlet chamber expands and communicates with the fluid inlet for receiving the fluid, and the ...

Method and apparatus for making scrolls from exfoliatable materials

A method of making scrolls is provided that includes providing a tape having a first side and second side wherein the first side of the tape is has an adhesive disposed thereon and the second side of the tape has a release coating disposed thereon, affixing the adhesive to a solid surface, buff-coating exfoliatable particles on the release side of the tape to form a coating; and peeling the tape from the solid surface at an angle. The coating separates from the release side of the tape and curls inwards to form scrolls. The scrolls can include graphite. Also provided is a continuous method of making scrolls and an apparatus.

Compressor with rotating cam and sliding end vanes

An apparatus for compressing or pumping fluid includes a housing having an interior chamber. A rotating cam is rotatably mounted within an interior chamber and includes a reversible cam body configured to enable fluid to flow in a foreword direction and a reverse direction. The reversible cam body has a first sloped annular channel formed therein. The first end of the reversible cam body includes a ramp up portion, a ramp down portion, and inner and outer circumferential sidewalls that circumscribe the ramp to define the first sloped annular channel. The apparatus may include a circumferential cam gear located on the outer circumferential sidewall and a secondary drive shaft with a pinion gear to rotate the circumferential cam gear.

Compressor with rotating cam and sliding end vanes

Method and apparatus for making scrolls from exfoliatable materials

A method of making scrolls is provided that includes providing a tape having a first side and a second side wherein the first side of the tape is has an adhesive disposed thereon and the second side of the tape has a release coating disposed thereon, affixing the adhesive to a solid surface, buff-coating exfoliatable particles on the release side of the tape to form a coating; and peeling the tape from the solid surface at an angle. The coating separates from the release side of the tape and curls inwards to form scrolls. The scrolls can include graphite. Also provided is a continuous method of making scrolls and an apparatus.

Compressor with rotating cam and sliding end vanes

An apparatus for compressing or pumping fluid includes a housing having an interior chamber. The housing includes an end wall having a fluid inlet and a fluid outlet. A rotating cam is rotatably mounted within the interior chamber and includes a cam body having an end with a sloped annular channel formed therein. The apparatus also includes an end vane slidably mounted within a slot in the end wall so as to extend into the sloped annular channel for sliding therein as the rotating cam rotates. The end vane divides the sloped annular channel into an inlet chamber and an outlet chamber such that, as the rotating cam rotates, the inlet chamber expands and communicates with the fluid inlet for receiving the fluid, and the outlet chamber contracts and communicates with the fluid outlet for expelling the fluid.

Apparatus for driving fluid having a rotating cam and rocker arm

An apparatus for driving fluid includes a housing having an interior chamber in communication with a fluid inlet for receiving the fluid and a fluid outlet for expelling the fluid, a cam rotatably mounted within the interior chamber, the cam configured to drive fluid to flow, the cam having an annular channel formed therein, a working vane extending into the annular channel for sliding therein as the cam rotates, wherein the working vane divides the annular channel into an inlet chamber and an outlet chamber such that, as the cam rotates, the inlet chamber expands and the outlet chamber contracts, a follower vane extending into the annular channel for sliding therein as the cam rotates, wherein the follower vane allows fluid to pass in the annular channel, and a rocker arm for providing dependent motion between the working vane and the follower vane.

Compressor with rotating cam and sliding end vanes

An apparatus for compressing or pumping fluid includes a housing having an interior chamber. A rotating cam is rotatably mounted within an interior chamber and includes a reversible cam body configured to enable fluid to flow in a foreword direction and a reverse direction. The reversible cam body has a first sloped annular channel formed therein. The first end of the reversible cam body includes a ramp up portion, a ramp down portion, and inner and outer circumferential sidewalls that circumscribe the ramp to define the first sloped annular channel. The apparatus may include a circumferential cam gear located on the outer circumferential sidewall and a secondary drive shaft with a pinion gear to rotate the circumferential cam gear.