Abstract: The disclosure relates to an apparatus for injecting slurry/liquid into the ground comprising a chassis (11, 12), a plurality of injectors (39) mounted on the chassis for penetrating and delivering slurry into the ground and means (55) mounted on the chassis for feeding the ground injectors from a slurry supply. The feeding means comprises an annular chamber (60) having an axially positioned inlet (68) and a plurality of outlets (62) spaced around the chamber axis and connected to the respective ground injectors (39) and a diametrically extending rotary distribution valve (86) in the chamber having a throughway in communication with the inlet and an outlet orifices (90) which sweep over the chamber outlets with rotation of the valve to deliver a quantity of slurry to each outlet.
Type:
Grant
Filed:
June 25, 1992
Date of Patent:
December 28, 1993
Assignee:
Greentrac Limited
Inventors:
Richard S. Barbour, Samuel J. Weatherup