Timed element, high pressure, industrial rotary lobe pump

Details Timed element, high pressure, industrial rotary lobe pump Timed element, high pressure, industrial rotary lobe pump

1997-09-11

2000-08-01

Vrablik, John J.

Rotary expansible chamber devices

With mechanical sealing

By changing working member or cylinder relative position

4182064, 4182066, 4182067, 29888023, F04C 218, F04C 1500

Patent

active

060957816

ABSTRACT:
A dual shaft, timed element high pressure industrial rotary lobe pump is provided. Lubricated sleeve bearings are located adjacent to the pumping elements. If the sleeve bearings are disposed on both opposing sides of the pumping elements, the lobe pump of the present invention can be operated at pressures as high as 400 psi. If sleeve bearings are disposed on one side of the pumping elements, the lobe pump can be operated at pressures up to 200 psi. Threaded thrust bearing cartridges enable fast and efficient positioning of the pumping elements during assembly without the use of shims. Recessed areas disposed in the head plate and in the casing bore provide improved loading and unloading of the pumping elements for high speed operation with reduced pressure pulsations and reduced noise. Access to the mechanical seals is simplified due to the easy removal of the timing gear box. The pump is also designed to accept standard mechanical seals as opposed to custom designed mechanical seals.

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