Title:
AUTOMATED METERING GATE
Document Type and Number:
WIPO Patent Application WO2004018975
Kind Code:
A3
Abstract:
An automated metering gate having a semicircular shaped flow control leaf gate (24) which is automatically controlled to permit undershot and overshot water flow. The flow control leaf gate is included in a flow control structure (10) which may be preassembled and installed as a unit at the use location.
Inventors:
ADLER RICHARD S (US)
ZHAO TOM (US)
SMITH ROCK (US)
HEYWARD GEORGE (US)
BURROUGHS EDWARD E (US)
ZHAO TOM (US)
SMITH ROCK (US)
HEYWARD GEORGE (US)
BURROUGHS EDWARD E (US)
Application Number:
PCT/US2003/014529
Publication Date:
October 07, 2004
Filing Date:
May 07, 2003
Export Citation:
Assignee:
RSA ENVIRONMENTAL INC (US)
ADLER RICHARD S (US)
ZHAO TOM (US)
SMITH ROCK (US)
HEYWARD GEORGE (US)
BURROUGHS EDWARD E (US)
ADLER RICHARD S (US)
ZHAO TOM (US)
SMITH ROCK (US)
HEYWARD GEORGE (US)
BURROUGHS EDWARD E (US)
International Classes:
E02B7/42; E02B8/08; G01F1/00; (IPC1-7): E02B7/40
Foreign References:
| US4657434A | 1987-04-14 | |||
| US4877352A | 1989-10-31 | |||
| US5472293A | 1995-12-05 | |||
| US6171023B1 | 2001-01-09 |
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