Hermetic compressors having horizontal crankshafts

Claim 1

IN A HERMETIC COMPRESSOR-MOTOR UNIT HAVING A CRANKCASE COMPARTMENT, A MOTOR COMPARTMENT HORIZONTALLY ALIGNED WITH SAID COMPARTMENT, MEANS INCLUDING A BEARING HOUSING FORMING A PARTITION BETWEEN SAID COMPARTMENTS, SAID HOUSING HAVING AN OUTER CYLINDRICAL PORTION EXTENDING INTO SAID MOTOR COMPARTMENT, SAID UNIT HAVING A CRANKSHAFT BEARING IN SAID HOUSING, HAVING A CHECK VALVE IN SAID PARTITION, AND HAVING A MOTOR IN SAID MOTOR COMPARTMENT, THE COMBINATION OF A HORIZONTAL CRANKSHAFT HAVING AN INNER PORTION WITHIN SAID BEARING AND EXTENDING INTO SAID COMPARTMENTS AND HAVING AN OUTER PORTION WITHIN SAID MOTOR COMPARTMENT, SAID HOUSING HAVING THEREIN UPPER AND LOWER HOLES ABOVE AND BELOW RESPECTIVELY, SAID INNER CRANKSHAFT PORTION AND HAVING INNER ENDS CONNECTING WITH SAID CRANKCASE COMPARTMENT, SAID MOTOR HAVING A ROTOR QUILL HAVING AN OUTER PORTION AROUND AND ATTACHED TO SAID OUTER CRANKSHAFT PORTION AND HAVING AN INNER PORTION AROUND AND SPACED FROM SAID OUTER HOUSING PORTION, THE OUTER END PORTION OF SAID HOUSING HAVING A REDUCED DIAMETER AND FORMING WITH SAID INNER QUILL PORTION AN ANNULAR PASSAGE AROUND THE OUTER ENDS OF SAID HOLES, SAID QUILL HAVING AN INTERMEDIATE PORTION WITH A VERTICALLY EXTENDING SURFACE SPACED FROM AND FORMING WITH THE OUTER END OF SAID HOUSING A VERTICALLY EXTENDING PASSAGE CONNECTING WITH SAID ANNULAR PASSAGE AND THE OUTER END OF SAID UPPER HOLE AND CONNECTING THROUGH SAID ANNULAR PASSAGE WITH THE OUTER END OF SAID LOWER HOLE, SAID OUTER PORTION OF SAID QUILL HAVING DIAMETRICALLY OPPOSITE HOLES THEREIN CONNECTING AT THEIR INNER ENDS WITH SAID VERTICALLY EXTENDING PASSAGE AND CONVERGING TOWARDS THE OUTER END OF SAID QUILL, MEANS FORMING A PASSAGE AT SAID OUTER END OF SAID QUILL CONNECTING WITH THE OUTER ENDS OF SAID LAST MENTIONED HOLES, AND GAS PUMPING MEANS CONNECTED TO SAID QUILL FOR ROTATION THEREWITH, SAID PUMPING MEANS HAVING AN INLET CONNECTING WITH SAID LAST MENTIONED PASSAGE CLOSER TO THE AXIS OF SAID CRANKSHAFT THAN SAID LAST MENTIONED HOLE ENDS, AND HAVING AN OUTLET FURTHER FROM SAID AXIS THAN SAID INLET.