Pressure reversing valve assembly for a down-the-hole...

Details Pressure reversing valve assembly for a down-the-hole... Pressure reversing valve assembly for a down-the-hole...

E - Fixed Constructions

21

B

E21B 34/08 (2006.01) E21B 1/26 (2006.01) E21B 6/00 (2006.01)

Patent

CA 2742024

A pressure reversing valve for a down-the-hole percussive drilling ("DHD") apparatus has a first valve pressure surface, a second valve pressure surface and a third valve pressure surface. The first valve pressure surface engages an internal surface of a housing of the DHD hammer. The second valve pressure surface is in communication with a high pressure port of the DHD hammer. The third valve pressure surface is in communication with a passageway that extends through a distributor within the DHD hammer. The valve also includes a valve passageway that extends through the valve and which is in communication with a first volume of the DHD hammer. The first volume is formed by surfaces of the distributor and the third valve pressure surface.

Affiliated with

Also associated with

Rating

Pressure reversing valve assembly for a down-the-hole... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pressure reversing valve assembly for a down-the-hole..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pressure reversing valve assembly for a down-the-hole... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1804457