Douglas L Stout

US Patent:

8245852, Aug 21, 2012

Filed:

Aug 24, 2010

Appl. No.:

12/862658

Inventors:

JoAnne B. Sloan - Sanford NC, US
Rajaiah Chinthanippula - Sanford NC, US
Douglas L. Stout - Sanford NC, US
Dick Edwards - Cary NC, US

Assignee:

Pentair Water Pool and Spa, Inc. - Sanford NC

International Classification:

B01D 35/00
B01D 29/00
B01D 35/28
E04H 4/16
C02F 1/00

US Classification:

210448, 210 94, 210 95, 21016712, 21016713, 2104162, 210435, 210450, 210451, 210452

Abstract:

Embodiments of the invention provide a pre-filter assembly for use with a pump. The assembly includes a housing having an intake channel and an outlet channel. The intake channel includes an intake flange around a first circumference and a ribbed surface to facilitate sealing. The outlet channel includes a bottom portion and an outlet flange around a second circumference. The intake flange and the outlet flange are on opposite sides of the housing. The assembly also includes a basket positioned in the housing. The basket has a bottom side and is positioned above the bottom portion of the outlet channel to form a chamber. The basket is positioned in closer proximity to the intake channel than to the outlet channel. In addition, the assembly includes a securing device with a lid having ridges and a clear top to permit the user to view the contents of the basket. The securing device also includes a locking ring with slots and openings to permit the user to view the contents of the basket.

US Patent:

20050158194, Jul 21, 2005

Filed:

Aug 16, 2004

Appl. No.:

10/919116

Inventors:

JoAnne Sloan - Sanford NC, US
Rajaiah Chinthanippula - Sanford NC, US
Douglas Stout - Sanford NC, US
Dick Edwards - Cary NC, US

International Classification:

F04B017/00
F04B035/04

US Classification:

417423110, 417423100

Abstract:

An injection molded commercial pool pump is provided having a motor, an adapter plate connected to the motor, a housing connected to the adapter plate further comprising a channel, a sealing plate positioned between the adapter plate and housing, an impeller connected to the motor shaft, an o-ring positioned between the sealing plate and housing to prevent leaking of internal fluids and a diffuser positioned over the impeller and connected to the sealing plate where the diffuser and impeller are inserted into the channel.