Two position rotary reciprocating pump with liquid displacement

Pumps – Condition responsive control of drive transmission or pump... – Adjustable cam or linkage

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

417238, 417500, F04B 4900

Patent

active

058631879

ABSTRACT:
A rotary reciprocating pumping apparatus is provided with a positive two position adjustment feature which allows the piston stroke to be increased to a maximum and repeatably, automatically, returned to a second calibrated dispensing position. Such rotary reciprocating pump is further provided with an adjustable liquid displacement velocity profile to maintain sufficient velocity of liquid flow at the end of the pump discharge cycle to enable injection of small volumes of liquid through a pump exhaust port, thereby eliminating the inaccurate and time consuming operation of touching off a small volume of liquid as a drop characterizing known rotary reciprocating pumping systems. A stabilizing ring of the cylindrical pump case is flush mounted within a counterbore of a pump mounting plate with one side of the ring directly abutting the bottom of the counterbore and a diametrically opposite side and abutting one or more standoffs to set the axis of the pump case and the pumping chamber at a slight angle in a transverse plane to the axis of the counterbore within the pump mounting plate, thereby modifying the pump piston liquid velocity profile to ensure significant fluid velocity at termination of the pump piston discharge stroke.

REFERENCES:
patent: 3168872 (1965-02-01), Pinkerton
patent: 3512178 (1970-05-01), Russell
patent: 4971532 (1990-11-01), Slattery
patent: 5020980 (1991-06-01), Pinkerton
patent: 5044889 (1991-09-01), Pinkerton
patent: 5246354 (1993-09-01), Pardinas

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Two position rotary reciprocating pump with liquid displacement does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Two position rotary reciprocating pump with liquid displacement , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Two position rotary reciprocating pump with liquid displacement will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1445823

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.