Compressor with rotating cam and sliding end vanes

An apparatus for compressing or pumping fluid, the apparatus comprising:

• (a) a housing having an interior chamber, the housing including two end walls located on opposing sides of the interior chamber, each 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 two ends, each end being located adjacent to one of the end walls and having at least one sloped annular channel formed therein, each end of the cam body including a ramp and inner and outer circumferential sidewalls that circumscribe the ramp to define the sloped, annular channel;
• and
• (c) at least two end vanes, each end vane being slidably mounted within a slot in one of the end walls so as to extend into a respective one of the sloped annular channels for sliding therein as the rotating cam rotates, each end vane being biased towards the ramp so as to divide the respective 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.

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;
• and
• (c) 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;
• wherein the first end vane has a tapered tip, and the inner and outer circumferential sidewalls are tapered inwardly towards the ramp corresponding to the tapered tip of the end vane.

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;
• and
• (c) 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;
• (d) wherein the cam body has a second sloped annular channel formed therein, and the apparatus further comprises a second end vane slidably mounted to the housing and extending into the second sloped annular channel for sliding within the second sloped annular channel as the rotating cam rotates;
• and
• wherein the second sloped annular channel is formed on the first end of the cam body concentrically with the first sloped annular channel, and the second end vane is slidably mounted to the first end wall of the housing.

An apparatus for compressing or pumping fluid, the apparatus comprising:

• (a) a housing having an interior chamber, the housing including two end walls located on opposing sides of the interior chamber, each 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 two ends, each end being located adjacent to one of the end walls and having at least one sloped annular channel formed therein, each sloped annular channel including a ramp that is circumscribed by inner and outer circumferential sidewalls;
• and
• (c) at least two end vanes, each end vane being slidably mounted within a slot in one of the end walls so as to extend into a respective one of the sloped annular channels for sliding therein as the rotating cam rotates, each end vane being biased towards the ramp so as to divide the respective 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;
• (d) wherein each end vane has a tapered tip, and wherein the inner and outer circumferential sidewalls of each respective sloped annular channel are tapered inwardly towards the ramp corresponding to the tapered tip of the end vane.