Vacuum excavator

Details Vacuum excavator Vacuum excavator

1989-03-14

1991-05-21

Dang, Hoang C.

Boring or penetrating the earth

Processes

Boring with specific fluid

175 67, 175206, 175213, 175424, 299 17, E21B 718, E21C 2560

Patent

active

050167170

ABSTRACT:
An excavation apparatus includes a suction system with a suction tank pneumatically connected to a blower through a filter subassembly. A suction hose is pneumatically connected to the suction tank. A liquid jet system includes a liquid reservoir fluidically connected to a liquid pump, which in turn is fluidically connected to a spray wand. The suction and liquid jet systems are mounted on a vehicle. An excavation method includes the steps of dislodging earthen material with a liquid jet from the spray wand and sucking it into the suction tank with the suction system.

REFERENCES:
patent: 2605090 (1952-07-01), Jacobsen
patent: 3395467 (1968-08-01), Allen et al.
patent: 3968845 (1976-07-01), Chaffin
patent: 3993354 (1976-11-01), Kilroy
patent: 4167292 (1979-09-01), Eller
patent: 4434861 (1984-03-01), Howeth
patent: 4637656 (1987-01-01), Medest
patent: 4761037 (1988-08-01), Medest
patent: 4795217 (1989-01-01), Hilario
patent: 4813611 (1989-03-01), Fontana

Affiliated with

Also associated with

Rating

Vacuum excavator does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Vacuum excavator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Vacuum excavator will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-230971