Patent · US Expired

Method for assembling a single-flow turbomolecular vacuum pump, and a turbomolecular vacuum pump assembled by said method

US4456433A · kind A · utility

6Cited by

6References

4Claims

0Family size

Assignee

Leybold-Heraeus GmbH · DE

Inventors

Hans-Heinrich Henning · Cologne, DE
Hansen Pfaff · Lechenich, DE

Key dates

Filing date	Sep 18, 1981
Grant date	Jun 26, 1984
Priority date	—
Expiry date	Sep 18, 2001

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF04D29/662
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A method for assembling a single-flow turbomolecular vacuum pump and a turbomolecular vacuum pump assembled by a method wherein the pump rotor, rotor shaft, antifriction bearings and motor armature are first assembled to form a unit, balanced outside of the pump casing, and thereafter introduced as a unit into the pump casing and mounted therein.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.