Rotary expansible chamber devices – Convertible or changeable by assembly or disassembly
Patent
1974-09-09
1976-12-28
Vrablik, John J.
Rotary expansible chamber devices
Convertible or changeable by assembly or disassembly
418 53, F01C 102, F03C 300, F01C 2100, F04C 102
Patent
active
039999009
ABSTRACT:
A nutating pump of the type which has a rotatable shaft with a central member with an annular support groove at an angle to the shaft in which a disk is moveably supported and is restrained against rotation by a partition inserted in a radial slot in the disk, and has conial sections coaxial with the shaft and positioned on either side of the central member, the peripheral surface of the conic sections and the annular groove being at substantially the same angle with respect to the shaft. One such pump includes moveably replaceable central members and conic sections whereby the operating characteristics of the pump may be changed without having to replace the pump body. In another embodiment, a cylindrical insert is included in the radial slot in the disc, and grooves are included in the peripheral surfaces of the conic sections to receive the cylindrical insert as it passes over the surfaces of the conic section.
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patent: 3040664 (1962-06-01), Hartley
Balcke-Durr AG
Vrablik John J.
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