Title:
偏心駆動ベーンを備えた真空ポンプ（偏心ポンプ設計）
Document Type and Number:
Japanese Patent JP6674448
Kind Code:
B2
Abstract:
Vacuum pumpof the rotating vane type comprising:
- a housing (4) defining a cavity (18) having an inlet and an outlet,
- a drivable vane member (20) for a rotary driven movement inside the cavity (18),
- a rotor (30) inside the cavity,
- a rotatable central shaft (40) extending into the cavity,
wherein the vane member (20) is coupled to the central shaft (40) by means of an eccentric element (42) on the central shaft, and slidably arranged in the rotor 30), the rotor (30) being rotatable together with said vane member (20) upon rotation of the vane member, wherein a rotational axis (AS) of the central shaft (40) is offset from the rotational axis (AR) of the rotor (30) and the point of action (AE) of the vane member (20) is offset from the rotational axis of the central shaft (40) by means of the eccentric element (42) on the central shaft (40), and wherein the rotor (30) encloses radially the eccentric element (42) of the central shaft (40).
Inventors:
Heaps david
Warner Simon
Warner Simon
Application Number:
JP2017510518A
Publication Date:
April 01, 2020
Filing Date:
August 07, 2015
Export Citation:
Assignee:
Vabuco Europe Besloten Fennaught Shap Met Beperkte Aensprakerke Rekhate
International Classes:
F04C25/02; F04C18/344; F04C27/00; F04C29/00
Domestic Patent References:
| JP52156411A | ||||
| JP61201896A | ||||
| JP55098689A | ||||
| JP57020582A | ||||
| JP2004316612A |
Attorney, Agent or Firm:
Mitsufumi Esaki
Blacksmith
Atsushi Shinohara
Shinsuke Nakamura
Kiyota Eisho
Blacksmith
Atsushi Shinohara
Shinsuke Nakamura
Kiyota Eisho