Patent ID: 11897174
Assignee: SYNVENTIVE MOLDING SOLUTIONS, INC.
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. An injection molding system (1000) comprising an injection molding machine (500) that injects a flow of injection fluid (400) to a heated manifold (300) that distributes the injection fluid (400) to a flow channel that delivers the injection fluid to a gate (70) of a mold cavity (80), the injection molding system (1000) comprising:
an actuator (5) comprised of a rotor (250) having a drive axis (Y) and a driver (100, 200) interconnected to the rotor (250) adapted to drive the rotor around the drive axis, the driver (100, 200) receiving electrical energy or power that generates drive heat (HT),
the actuator having a housing (20) comprised of radial (20r, 20ri, 20ro, 20roa, 20rob, 20roc, 20rod) and axial walls (20a, 20ai, 20aue, 20ade) that form an enclosed chamber (45) containing a heat conductive chamber fluid (CF), the rotor and driver (250, 100, 200) being mounted within the chamber (45) in intimate heat conductive contact with the heat conductive fluid,
the rotor and driver being supported within the chamber by the radial and axial walls (20r, 20ro, 20ri, 20roa, 20rob, 20roc, 20rod, 20a, 20ai, 20aue, 20ade) in an arrangement such that the rotor (250) and driver (100, 200) are drivably rotatable within the chamber (45),
wherein one or more of the radial and axial walls (20r, 20ro, 20ri, 20roa, 20rob, 20roc, 20rod, 20a, 20ai, 20aue, 20ade) comprise a heat conductive material that has an inner surface disposed in heat conductive contact with the heat conductive fluid (CF) contained within the enclosed chamber,
the one or more radial or axial walls (20r, 20ro, 20ri, 20roa, 20rob, 20roc, 20rod, 20a, 20ai, 20aue, 20ade) absorbing heat from the heat conductive fluid (CF) contained within the chamber (45),
an actuator tube or channel (25) surrounded by and in intimate heat conductive contact with the heat conductive material of one or more of the radial and axial walls (20r, 20ro, 20ri, 20roa, 20rob, 20roc, 20rod, 20a, 20ai, 20aue, 20ade),
a source (260) of heat absorptive fluid (25f) sealably interconnected to the tube or channel (25) in an arrangement such that the heat absorptive fluid (25f) is routed through the tube or channel (25) in a flow that absorbs heat from the one or heat conductive walls (20r, 20ro, 20ri, 20roa, 20rob, 20roc, 20rod, 20a, 20ai, 20aue, 20ade),
a valve pin (800) having a pin axis (X), the valve pin being interconnected to the rotor (250) such that the valve pin is controllably drivable along a linear path of travel (XX) along the pin axis (X),
wherein the housing (20) of the actuator is mounted in heat conductive communication with the heated manifold (300) such that manifold heat is absorbed by or communicated to the one or more radial and axial walls (20r, 20ro, 20ri, 20roa, 20rob, 20roc, 20rod, 20a, 20ai, 20aue, 20ade) of the housing, the heat absorptive fluid (25f) absorbing the manifold heat absorbed by or communicated to the one or more radial and axial walls (20r, 20ro, 20ri, 20roa, 20rob, 20roc, 20rod, 20a, 20ai, 20aue, 20ade) of the housing.