Title:
真空発生装置
Document Type and Number:
Japanese Patent JP4132897
Kind Code:
B2
Abstract:
A vacuum generator that is capable of quickly and securely holding and releasing a work piece and capable of reducing the amount of consuming compressed air comprises a first nozzle (18a) and a second nozzle (18b) which jet compressed air toward a diffuser nozzle (20), the second nozzle (18b) having a diameter greater than that of the first nozzle (18a), and switching means (60a, 60b, 70, 71) that switch a state of the vacuum generator between a first state, in which a small amount of air is sucked from the vacuum port (50), and a second state, in which a large amount of air is sucked from the vacuum port (50), the first nozzle (18a), the second nozzle (18b) and the diffuser nozzle (20) being serially arranged in that order.
Inventors:
Kiyoyasu Yamazaki
Toshimasa Kitahara
Masanazawa
Katsutaka Funabashi
Toshimasa Kitahara
Masanazawa
Katsutaka Funabashi
Application Number:
JP2002076447A
Publication Date:
August 13, 2008
Filing Date:
March 19, 2002
Export Citation:
Assignee:
Nippon Pisco Co., Ltd.
International Classes:
F04F5/20; F04F5/22; F04F5/46; F04F5/52
Domestic Patent References:
| JP6185499A | ||||
| JP63054900U | ||||
| JP6288399A | ||||
| JP67844C2 | ||||
| JP61055400A | ||||
| JP6017800A | ||||
| JP2037200A |
Attorney, Agent or Firm:
Takao Watanuki
Horimai Kazuharu
Horimai Kazuharu