High pressure pulsed water jet
Patent
·
OSTI ID:7137782
The Institute of Gas Technology has designed an improved thrust generator for its high-pressure pulsed-water-jet system for fracturing pavements. The thrust generator operates on a gas-driving/oil-cocking (or vice versa) mechanism with controlled-fluid triggering of the power stroke and a floating piston for separating the working fluids. The use of concentric cylinders to form the fluid chambers results in a compact, lightweight unit suitable for repetitive operation. The new design eliminates the need for external gas accumulators or connecting hoses and decreases the overall length of the water-jet apparatus by 50%.
- Assignee:
- Institute of Gas Technology
- Patent Number(s):
- US 4190202
- OSTI ID:
- 7137782
- Country of Publication:
- United States
- Language:
- English
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