Water pressure-sealing faucet without water hammer effect

Details Water pressure-sealing faucet without water hammer effect Water pressure-sealing faucet without water hammer effect

1989-04-14

1990-07-17

Cohan, Alan

Fluid handling

Systems

Multi-way valve unit

13761411, 13762549, F16K 1102

Patent

active

049415077

ABSTRACT:
A water pressure-sealing faucet including a sleeve body having a lower outlet opening, provided with inlet holes the diameters of which are reduced downward, and a controlling valve slidably received in the sleeve body, having a lower controlling pin grooved with upward tapered outlet channels and slidably inserted into the outlet opening of the sleeve body, wherein the allowable water flow cross section of the outlet channels is always larger than that of the inlet holes in area whereby when the controlling valve is pulled upward, the water will flow through the sleeve body gradually without sudden change of water pressure to eliminate water hammer effect for protecting water pipe line from damage.

REFERENCES:
patent: 2013822 (1935-09-01), Bradbury
patent: 3771554 (1973-11-01), Hassall
patent: 3853146 (1974-12-01), Blair
patent: 4384592 (1983-05-01), Ng
patent: 4397331 (1983-08-01), Medlar

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