JPS5724466A - Automatic pumping plant - Google Patents

Automatic pumping plant

Info

Publication number
JPS5724466A
JPS5724466A JP9753380A JP9753380A JPS5724466A JP S5724466 A JPS5724466 A JP S5724466A JP 9753380 A JP9753380 A JP 9753380A JP 9753380 A JP9753380 A JP 9753380A JP S5724466 A JPS5724466 A JP S5724466A
Authority
JP
Japan
Prior art keywords
cylindrical filter
foreign matters
pressure tank
pressure
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP9753380A
Other languages
Japanese (ja)
Inventor
Shunichi Nishimura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP9753380A priority Critical patent/JPS5724466A/en
Publication of JPS5724466A publication Critical patent/JPS5724466A/en
Pending legal-status Critical Current

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

PURPOSE: To protect the thin film pressured receiving body in a pressure tank from foreign matters and provide stabilized operation of an automatic pumping plant, by supporting with freedom of horizontal drill a cylindrical filter provided with pores for filtering the foreign matters/perforated in the horizontal direction on its external surface, on the way of a connection passage through which the exhaust passage of a pump head is connected to the pressure tank and/by which water flow is reciprocated.
CONSTITUTION: The pumped-up water 18 which is discharged from a pump head section 3 collides with a cylindrical filter 12 into which a number of pores are perforated. Since minute gaps 15 and 16 are provided around the cylindrical filter 12, the filter can drift in the horizontal direction. Even when the cylindrical filter 12 vibrates slightly by water flow and foreign matters adhere to a pore 17, the foreign matters fall down. Besides, since the water which passes through the cylindrical filter 12 and enters a pressure tank 5 flows into a pressure chamber 4 through the/same cylindrical filter 12 in the reverse direction, the foreign matters which adhere to the external surface of the cylindrical filter 12 can be removed positively by the multiplication between the pressure of water which returns to the pressure chamber 4 from the pressure tank 5 and the minute vibration of the cylindrical filter 12. This protects the thin film pressure receiving body in the pressure tank from the foreign matters, such as sand, etc. and can provide a stabilized automatic operation of a pumping plant.
COPYRIGHT: (C)1982,JPO&Japio
JP9753380A 1980-07-18 1980-07-18 Automatic pumping plant Pending JPS5724466A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9753380A JPS5724466A (en) 1980-07-18 1980-07-18 Automatic pumping plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9753380A JPS5724466A (en) 1980-07-18 1980-07-18 Automatic pumping plant

Publications (1)

Publication Number Publication Date
JPS5724466A true JPS5724466A (en) 1982-02-09

Family

ID=14194885

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9753380A Pending JPS5724466A (en) 1980-07-18 1980-07-18 Automatic pumping plant

Country Status (1)

Country Link
JP (1) JPS5724466A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01249323A (en) * 1988-03-31 1989-10-04 Riken Vinyl Kogyo Kk Multi-layer decorative film and its manufacture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01249323A (en) * 1988-03-31 1989-10-04 Riken Vinyl Kogyo Kk Multi-layer decorative film and its manufacture

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