High frequency electron discharge device and cooling means therefor

Claim 1

A HIGH FREQUENCY ELECTRON DISCHARGE DEVICE INCLUDING BEAM FORMING AND PROJECTING MEANS DISPOSED AT THE UPSTREAM END PORTION OF SAID DEVICE AND BEAM COLLECTOR MEANS DISPOSED AT THE DOWNSTREAM END PORTION OF SAID DEVICE, SAID BEAM COLLECTOR MEANS INCLUDING A GENERALLY TUBULAR COLLECTOR BUCKET FOR RECEIVING THE ELECTRON BEAM, SAID COLLECTOR BUCKET HAVING A PAIR OF COAXIALLY DISPOSED METAL SLEEVES DISPOSED THEREABOUT AND CONDUCTIVELY INTERCONNECTED TO SAID COLLECTOR BUCKET ALONG THE MUTUAL AXIALLY COEXTENSIVE PORTIONS THEREOF, SAID PAIR OF SLEEVES FORMING BIDIRECTIONAL FLUID FLOW PASSAGEWAYS ABOUT THE AXIAL EXTENT OF SAID COLLECTOR BUCKET, A PAIR OF AXIALLY SPACED RING MEMBERS DISPOSED AT THE DOWNSTREAM END PORTION OF SAID COLLECTOR, SAID RING MEMBERS BEING PHYSICALLY COUPLED AT THEIR EXTERIOR PERIPHERAL SURFACES TO THE SAID COAXIALLY DISPOSED PAIR OF SLEEVES AT THEIR RESPECTIVE DOWNSTREAM END PORTIONS TO THEREBY FORM BIDIRECTIONAL FLUID FLOW PASSAGEWAYS HAVING LATERAL FLOW DIRECTIONS WITH RESPECT TO THE CENTRAL AXIS OF SAID COLLECTOR BUCKET, A PAIR OF RADIALLY SPACED COAXIAL COOLANT TUBES COUPLED TO THE RESPECTIVE INTERNAL DIAMETERS OF SAID RING MEMBERS TO THEREBY FORM A PAIR OF AXIALLY BIDIRECTIONAL FLUID FLOW PASSAGEWAYS COUPLED TO SAID LATERAL BIDIRECTIONAL FLUID FLOW PASSAGEWAYS, EACH OF SAID COOLANT TUBES BEING PROVIDED WITH A PLURALITY OF CIRCUMFERENTIALLY SPACED APERTURES AT AXIALLY OFFSET REGIONS WITH RESPECT TO EACH OTHER, COOLANT MANIFOLD MEANS DISPOSED ABOUT SAID PAIR OF COAXIALLY DISPOSED COOLANT TUBES AND FORMING A FLUID TIGHT SEAL THEREABOUT, SAID MANIFOLD BEING FLUID COUPLED TO SAID RESPECTIVE COOLANT TUBES VIA SAID PLURALITY OF CIRCUMFERENTIALLY SPACED APERTURES SUCH THAT RADIAL BIDIRECTIONAL FLUID FLOW OCCURS THEREBETWEEN.