Title:
FLOW RATE-MEASURING APPARATUS
Document Type and Number:
Japanese Patent JP3764860
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a flow rate-measuring apparatus which does not damage a flow rate measurement element, is highly reliable even after long use, and has improved pulsating characteristics even in a state where dust and moisture are present in an aspiration pipe.
SOLUTION: An introduction means is provided near the outlet of a sub passage in the flow rate-measuring apparatus, where the introduction means introduces the flow in the opposite direction of the main passage into the sub passage via the outlet.
More Like This:
| WO/2011/035087 | VORTEX GENERATOR FOR EXTENDED FLOW RANGES AND FASTER RESPONSE |
| JP2003075211 | FLOWMETER |
Inventors:
Keiichi Nakata
Izumi Watanabe
Junichi Horie
Kei Ueyama
Hiroshi Onikawa
Masamichi Yamada
Izumi Watanabe
Junichi Horie
Kei Ueyama
Hiroshi Onikawa
Masamichi Yamada
Application Number:
JP2001274402A
Publication Date:
April 12, 2006
Filing Date:
September 11, 2001
Export Citation:
Assignee:
株式会社日立製作所
株式会社日立カーエンジニアリング
株式会社日立カーエンジニアリング
International Classes:
G01F1/00; G01F1/684; G01F5/00; G01F15/12; (IPC1-7): G01F1/684; G01F1/00
Domestic Patent References:
| JP2001174305A |
Attorney, Agent or Firm:
Yasuo Sakuta
Previous Patent: AIR PUMP FOR AIR STORAGE
Next Patent: FUEL CARTRIDGE AND ELECTRONIC EQUIPMENT USING SAME
Next Patent: FUEL CARTRIDGE AND ELECTRONIC EQUIPMENT USING SAME