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Title: Well pump

Abstract

A well pump includes a piston and an inlet and/or outlet valve assembly of special structure. Each is formed of a body of organic polymer, preferably PTFE. Each includes a cavity in its upper portion and at least one passage leading from the cavity to the bottom of the block. A screen covers each cavity and a valve disk covers each screen. Flexible sealing flanges extend upwardly and downwardly from the periphery of the piston block. The outlet valve block has a sliding block and sealing fit with the piston rod.

Inventors:
 [1];  [2]
  1. Pasco, WA
  2. Chicago, IL
Issue Date:
Research Org.:
Battelle Memorial Institute, Columbus, OH (United States)
OSTI Identifier:
866351
Patent Number(s):
4688999
Assignee:
Battelle Devepment Corporation (Columbus, OH)
Patent Classifications (CPCs):
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
F - MECHANICAL ENGINEERING F04 - POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS F04B - POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS
DOE Contract Number:  
AC06-76RL01830
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
pump; piston; inlet; outlet; valve; assembly; special; structure; formed; organic; polymer; preferably; ptfe; cavity; upper; portion; passage; leading; bottom; block; screen; covers; disk; flexible; sealing; flanges; extend; upwardly; downwardly; periphery; sliding; fit; rod; outlet valve; upper portion; organic polymer; piston rod; valve assembly; sealing flanges; valve disk; valve block; extend upwardly; sealing flange; flexible seal; /417/

Citation Formats

Ames, Kenneth R, and Doesburg, James M. Well pump. United States: N. p., 1987. Web.
Ames, Kenneth R, & Doesburg, James M. Well pump. United States.
Ames, Kenneth R, and Doesburg, James M. Thu . "Well pump". United States. https://www.osti.gov/servlets/purl/866351.
@article{osti_866351,
title = {Well pump},
author = {Ames, Kenneth R and Doesburg, James M},
abstractNote = {A well pump includes a piston and an inlet and/or outlet valve assembly of special structure. Each is formed of a body of organic polymer, preferably PTFE. Each includes a cavity in its upper portion and at least one passage leading from the cavity to the bottom of the block. A screen covers each cavity and a valve disk covers each screen. Flexible sealing flanges extend upwardly and downwardly from the periphery of the piston block. The outlet valve block has a sliding block and sealing fit with the piston rod.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1987},
month = {1}
}

Patent:

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