| 摘要 |
PCT No. PCT/FI93/00365 Sec. 371 Date Apr. 18, 1995 Sec. 102(e) Date Apr. 18, 1995 PCT Filed Sep. 14, 1993 PCT Pub. No. WO94/06567 PCT Pub. Date Mar. 31, 1994A nozzle for a spray head has a housing having an orifice. A helical spring in the housing extends toward the orifice for liquid in the housing to flow in a helical path between loops of the spring in a strong whirling motion before being discharged through the orifice. A spindle element is in an at least essentially cylindrical passage in the housing with the helical spring, the helical spring extending around the spindle element and engaging at one end the housing at the orifice and at an opposite end the spindle element for a force of the helical spring to urge the spindle element away from the orifice towards a stop in the cylindrical passage, the spindle element being axially movable in an axial direction of the cylindrical passage in response to the force and an opposite-acting pressure force of the liquid. |
