Patent ID: 7300261
Filing Date: 2007-11-27
Classification: F04D

Abstract:
1. A gas turbo pump assembly for connection to an inlet port, comprising: a turbo pump having a pump body with an external surface and a center axis, a pump inlet port, said pump inlet port being disposed at a first axial end of said pump body and being coupled to a vacuum chamber port, and an exit port disposed proximate a second axial end of said body; and a vibration damping assembly, disposed to enclose a significant portion of said pump body in a nested arrangement, said vibration damping assembly comprising a first nested structure having an outer peripheral surface and an inner peripheral surface, said inner peripheral surface being disposed around and adjacent to the external surface of said significant portion of said pump body, and a second nested structure having an inner peripheral surface, said inner peripheral surface being disposed around and adjacent to the outer peripheral surface of said first nested structure, wherein said second nested structure comprises an arrangement of a flexible bellows and a rubberized support.