JP2008045551A5

JP2008045551A5 -

Info

Publication number: JP2008045551A5
Application number: JP2007209590A
Authority: JP
Filing date: 2007-08-10
Publication date: 2010-06-24

Claims

A modular design having a single body including an end of a first housing and an end of a second housing;
Having one rotor in the housing;
A first head portion, and an external inlet and an external outlet, a shaft receiving aperture extending through the first head portion, and a first head portion which have a inner end,
The inner end has an inner end sidewall and includes the shaft receiving opening;
An annular boss extending from the inner end, having a boss outer wall spaced inward from a side wall of the inner end, and including the shaft receiving opening;
The boss is disposed between the inner end and the end of the first housing and provides a space for one or more shims disposed between the O-ring and the inner end. An O-ring connected to the outer side wall and spaced from the inner end;
The first head portion is connected to an end portion of the first housing together with the boss in the housing, and meshes with an inner wall of the housing to seal the O-ring, and the inner end is Connected to the first end of the housing;
A first step cone extending into the housing around the shaft receiving opening and connected to the first head;
An external entrance and a second stage cone having an external exit and an internal end;
The second head portion is a two-stage liquid ring pump connected to an end portion of the second housing .

The outlet of the first head portion is removably coupled to the first end of the interstage outer manifold;
The liquid ring pump according to claim 1, wherein an inlet of the second head portion is detachably connected to a second end portion of the interstage manifold.

The liquid ring pump according to claim 1, wherein the first head part is a first stage head part of the liquid ring pump.

The inner end has a plurality of openings that penetrate the inner end and mount a housing, and the plurality of openings are located between the outer wall of the boss and the side wall of the inner end. Liquid ring pump.

The liquid ring pump according to claim 4 , comprising a plurality of shims between an end of the first housing and the inner end .

A head portion for a liquid ring pump,
An external inlet and an external outlet,
An inner end having an inner end sidewall;
The inner end has an annular cutout extending from the inner end;
The inner end has an inlet port extending through the notch and a recess defined by an inner wall of the annular notch for a step cone connected to the head, the notch being An outer wall of a cut portion disposed with a space inward from a side wall of the inner end, and the outer wall of the cut portion has an O-ring groove;
A shaft-receiving apertures extending through the recess of the head portion,
Head for liquid seal pump having the recess between the inner wall of the notch portion and the shaft receiving opening.

The head part according to claim 6 , wherein the head part is a first stage head part for a two-stage liquid ring pump, and the head part includes an external manifold fitting flange at the outlet.

Said head portion is a second stage head for two-stage liquid seal pump, the head portion includes a flange fitting outer manifold to the inlet of the external, the external inlet air receiving chamber and the liquid receiving chamber The head part according to claim 6 , which is separated.

An outer wall of the notch has a groove for O-ring therein, the head portion of claim 6.

The inner end has the shim receiving surface on an outer wall of the cut portion, and the groove of the cut portion corresponds to the shim between the groove of the O-ring of the cut portion and the inner end. The head part according to claim 6 , wherein the head part is arranged with a space in an axial direction from the head.