Title:
LIQUID SUPPLY EQUIPMENT FOR RUNNING WATER
Document Type and Number:
Japanese Patent JP3373494
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide sanitary water without affecting to water pipes and nor making water turbid inside a highly elevated water tank.
SOLUTION: In a liquid supply equipment in which water is fed to a highly elevated water tank 12, a water main pipe 1 is connected with a direct feed water pipe 2 through a checkvalve 9, with a water supply pipe to the water tank 12, and with a water supply pipe 2. A pump 8, in which water in a main water pipe 1 is sucked through the water supply pipe 2 and discharged to the supply pipe side, is provided in this equipment. Together with these arrangements, a means 3 for detecting water pressure and a means 14 for detecting water level inside an elevated water tank are also provided in this equipment. As a result of this work, controlling in conformity with the pressure at the detection means 3 and the water level at the means 14, and driving an adjustable pump speed is controlled by an inverter in which a speed of a power generator for driving a pump 8 is controlled.
More Like This:
Inventors:
Koichi Sato
Takahisa Sakai
Takahisa Sakai
Application Number:
JP2000374690A
Publication Date:
February 04, 2003
Filing Date:
December 22, 1993
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
E03B11/16; E03B5/00; E03B11/12; F04B49/06; F04D15/00; (IPC1-7): F04B49/06; F04D15/00
Domestic Patent References:
| JP5240186A | ||||
| JP4241782A | ||||
| JP2286888A | ||||
| JP2108734A | ||||
| JP4330127A | ||||
| JP62203986A | ||||
| JP63297786A | ||||
| JP57178868U | ||||
| JP55136868U | ||||
| JP246799B2 |
Attorney, Agent or Firm:
Patent Business Corporation Daiichi International Patent Office