Impulse motor

Claim 2

An impulse motor comprising a housing; a rotatable cylinder in said housing, said cylinder having a liquid containing cavity therein; means in said housing for rotating said cylinder; an anvil rotatably mounted in said cavity of said cylinder; a sealing rotor rotatably mounted on said anvil in said cavity about an axis parallel with the longitudinal axis of said cylinder; gear means coupled between said sealing rotor and said cylinder for rotating said sealing rotor relative to said cylinder, said sealing rotor, at a predetermined position in said cavity, together with said cylinder and said anvil once during each revolution of said cylinder, defining a sealing position for a portion of said cavity of decreasing liquid volume during continued rotation of said cylinder; a pressure responsive check valve meaNs on said sealing rotor in said cavity, said check valve being movable to relief and closed positions, respectively, for relieving and closing said cavity portion relative to the remainder of said cavity; said check valve means, in dependence upon the rotation of said cylinder moving to a relief position during a first passage of said sealing rotor past said sealing position whereby said cavity portion is kept relieved in said cavity, and said check valve means moving to a closed position during a subsequent passage of said sealing rotor past said sealing position whereby a pressure impulse is produced in said cavity portion to rotate said anvil.

Claim 3

An impulse motor according to claim 1 in which said sealing positions are defined by a pair of diametrically opposed sealing ridges in said cavity one for sealing cooperation with said rotor and the other with said anvil.

Claim 4

An impulse motor comprising a housing; a rotatable cylinder in said housing, said cylinder having a liquid containing cavity therein; means in said housing for rotating said cylinder; an anvil rotatably mounted in said cavity of said cylinder; a sealing vane radially slidably mounted on said anvil within said cylinder; said sealing vane, at a predetermined position in said cavity, together with said cylinder and said anvil once during each revolution of said cylinder, defining a sealing position for a portion of said cavity of decreasing liquid volume during continued rotation of said cylinder; a relief valve rotatably mounted on said anvil in said cavity, said relief valve being movable between relief and closed positions, respectively, for relieving and closing said cavity portion relative to the remainder of said cavity; and gear means coupled between said cylinder and said relief valve for rotating said relief valve first to a relief position during a first passage of said sealing rotor past said sealing position whereby said cavity portion is kept relieved in said cavity, and for rotating said relief valve to a closed position during a subsequent passage of said sealing rotor past said sealing position whereby a pressure impulse is produced in said cavity portion to rotate said anvil.

Claim 5

An impulse motor comprising a housing; a rotatable cylinder in said housing, said cylinder having a liquid containing cavity therein; means in said housing for rotating said cylinder; an anvil rotatably mounted in said cavity of said cylinder; a sealing vane radially slidably mounted on said anvil within said cylinder; said sealing vane, at a predetermined position in said cavity, together with said cylinder and said anvil once during each revolution of said cylinder, defining a sealing position for a portion of said cavity of decreasing liquid volume during continued rotation of said cylinder; a relief valve rotatably mounted on said anvil in said cavity, said relief valve being movable between relief and closed positions, respectively, for relieving and closing said cavity portion relative to the remainder of said cavity; and gear means coupled between said cylinder and said relief valve for rotating said relief valve first to a relief position during a first passage of said sealing rotor past said sealing position whereby said cavity portion is kept relieved in said cavity, and for rotating said relief valve to a closed position during a subsequent passage of said sealing rotor past said sealing position whereby a pressure impulse is produced in said cavity portion to rotate said anvil.

Claim 6

An impulse motor according to claim 3 in which said relief valve on said anvil is disposed in diametrically opposed relation to said vane.

Claim 7

An impulse motor comprising a housing; a rotatable cylinder in said housing, said cylinder having a liquid containing cavity therein; means in said housing for rotating said cylinder; an anvil rotatably mounted in said cavity of said cylinder with at least one passage being formed therein between said anvil and cylinder; a sealing member movably mounted in said cavity on one of said cylinder and anvil; said sealing member, at a predetermined position in said cavity, together with said cylinder and said anvil and during relative rotation therebetween, defining a sealing position for a portion of said cavity of decreasing liquid volume during continued rotation of said cylinder; a relief valve rotatably journalled in said anvil in said cavity, said relief valve being movable to relief and closed positions, respectively, for relieving and closing said at least one passage thereby relieving and closing said cavity portion relative to the remainder of said cavity; and gear means, operable independently of said sealing member but in timed relationship with said sealing member, controlling said relief valve in dependence upon the rotation of said cylinder for moving said relief valve to a relief position during a first passage of said sealing member past said sealing position whereby said cavity portion is kept relieved in said cavity, and for moving said relief valve to a closed position during a subsequent passage of said sealing member past said sealing position whereby a pressure impulse is produced in said cavity portion to rotate said anvil.

Claim 8

An impulse motor comprising a housing; a rotatable cylinder in said housing, said cylinder having a liquid containing cavity therein; means in said housing for rotating said cylinder; an anvil rotatably mounted in said cavity of said cylinder with at least one passage being formed therein between said anvil and cylinder; a sealing member movably mounted in said cavity on one of said cylinder and anvil; said sealing member, at a predetermined position in said cavity, together with said cylinder and said anvil and during relative rotation therebetween, defining a sealing position for a portion of said cavity of decreasing liquid volume during continued rotation of said cylinder; a relief valve rotatably journalled in said anvil in said cavity, said relief valve being movable to relief and closed positions, respectively, for relieving and closing said at least one passage thereby relieving and closing said cavity portion relative to the remainder of said cavity; and gear means, operable independently of said sealing member but in timed relationship with said sealing member, controlling said relief valve in dependence upon the rotation of said cylinder for moving said relief valve to a relief position during a first passage of said sealing member past said sealing position whereby said cavity portion is kept relieved in said cavity, and for moving said relief valve to a closed position during a subsequent passage of said sealing member past said sealing position whereby a pressure impulse is produced in said cavity portion to rotate said anvil.

Claim 9

An impulse motor cOmprising a housing; a rotatable cylinder in said housing, said cylinder having a liquid containing cavity therein; means in said housing for rotating said cylinder; an anvil rotatably mounted in said cavity of said cylinder said anvil having at least one passage therethrough; a sealing rotor rotatably mounted on one of said cylinder and anvil in said cavity about an axis parallel with the longitudinal axis of said cylinder; first gear means coupled between said sealing rotor and one of said cylinder and anvil for rotating said sealing rotor relative to said cylinder and anvil, said sealing rotor, at a predetermined position in said cavity, together with said cylinder, and said anvil once during each revolution of said cylinder, defining a sealing position for a portion of said cavity of decreasing liquid volume during continued rotation of said cylinder; a relief valve rotatably journalled in said anvil in said cavity, said relief valve being movable to relief and closed positions, respectively, for relieving and closing said at least one passage, thereby relieving and closing said cavity portion relative to the remainder of said cavity; and second gear means in said cylinder, operable independently of said first gear means but in timed relationship with said sealing rotor, for rotating said relief valve to a relief position during a first passage of said sealing rotor past said sealing position whereby said cavity portion is kept relieved in said cavity, and for rotating said relief valve to a closed position during a subsequent passage of said sealing rotor past said sealing position whereby a pressure impulse is produced in said cavity portion to rotate said anvil.

Claim 10

An impulse motor cOmprising a housing; a rotatable cylinder in said housing, said cylinder having a liquid containing cavity therein; means in said housing for rotating said cylinder; an anvil rotatably mounted in said cavity of said cylinder said anvil having at least one passage therethrough; a sealing rotor rotatably mounted on one of said cylinder and anvil in said cavity about an axis parallel with the longitudinal axis of said cylinder; first gear means coupled between said sealing rotor and one of said cylinder and anvil for rotating said sealing rotor relative to said cylinder and anvil, said sealing rotor, at a predetermined position in said cavity, together with said cylinder, and said anvil once during each revolution of said cylinder, defining a sealing position for a portion of said cavity of decreasing liquid volume during continued rotation of said cylinder; a relief valve rotatably journalled in said anvil in said cavity, said relief valve being movable to relief and closed positions, respectively, for relieving and closing said at least one passage, thereby relieving and closing said cavity portion relative to the remainder of said cavity; and second gear means in said cylinder, operable independently of said first gear means but in timed relationship with said sealing rotor, for rotating said relief valve to a relief position during a first passage of said sealing rotor past said sealing position whereby said cavity portion is kept relieved in said cavity, and for rotating said relief valve to a closed position during a subsequent passage of said sealing rotor past said sealing position whereby a pressure impulse is produced in said cavity portion to rotate said anvil.

Claim 11

An impulse motor according to claim 6 in which said relief valve includes a valve body rotatably journalled on said anvil in parallel relation thereto and in communication with said cavity, valve passages in said body for the relief of said portion of said cavity of decreasing liquid volume during continued rotation of said cylinder, and a gear drive between said cylinder and said valve body for rotating said valve body relative to said cylinder thereby controlling said body dependent upon the rotation of said cylinder.

Claim 12

An impulse motor according to claim 7 in which said gear drive between said cylinder and said valve body has a ratio producing alternate opening and closing of said cavity portion in said cylinder during sequential passages of said sealing member past said sealing position.

Claim 13

An impulse motor according to claim 7 in which said gear drive between said cylinder and said valve body has a ratio producing closing of said cavity portion every third passage of said sealing member past said sealing position.

Claim 14

An impulse motor according to claim 7 in which said gear drive between said cylinder and said valve body has a ratio producing closing of said cavity portion every fourth passage of said sealing member past said sealing position.

Claim 15

An impulse motor according to claim 7 in which said sealing rotor is rotatably journalled on said cylinder about an axis parallel therewith, a main gear drive between said anvil and said sealing rotor for rotating said rotor relative to said cylinder and anvil, cross passages in said anvil for the relief of said cavity portion, said valve body being disposed to control said cross passages, and said gear drive of said valve body being connected to said main gear drive.

Claim 16

An impulse motor according to claim 11 in which said sealing positions are defined by a sealing ridge in said cavity diametrically opposed to said sealing rotor and for sealing cooperation with said anvil.

Claim 17

An impulse motor according to claim 7 in which said sealing rotor is rotatably journalled on said anvil, a main gear drive between said cylinder and sealing rotor for rotating said rotor relative to said cylinder and anvil, cross passages in said anvil for the relief of said cavity portion, said valve body being dispoSed to control said cross passages, and said gear drive of said valve body being connected to said main gear drive.

Claim 18

An impulse motor according to claim 13 in which said valve body includes a rotatable sealing plug in said anvil disposed in a diametrical plane with said sealing rotor for cyclical sealing cooperation with said cylinder.

Claim 19

An impulse motor according to claim 14 in which said sealing positions are defined by a pair of diametrically opposed sealing ridges in said cavity one for sealing cooperation with said rotor and the other with said plug.