US 11,938,494 B2
Nozzle
Takeru Nagao, Uozu (JP); and Tomio Sawasaki, Uozu (JP)
Assigned to SUGINO MACHINE LIMITED, Uozu (JP)
Filed by SUGINO MACHINE LIMITED, Uozu (JP)
Filed on May 18, 2021, as Appl. No. 17/323,172.
Claims priority of application No. 2020-090817 (JP), filed on May 25, 2020.
Prior Publication US 2021/0362169 A1, Nov. 25, 2021
Int. Cl. B05B 1/34 (2006.01); B05B 1/10 (2006.01); B05B 1/14 (2006.01)
CPC B05B 1/3402 (2018.08) [B05B 1/10 (2013.01); B05B 1/14 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A nozzle, comprising:
a shaft body having a center axis;
a liquid guide path located inside the shaft body, the liquid guide path extending along the center axis;
a plurality of liquid chambers disposed at a distal end portion of the liquid guide path, each of the liquid chambers of said plurality of liquid chambers having a nozzle hole located at a distal end portion of the respective liquid chamber, the nozzle hole extending along an ejection axis that is different direction from the center axis, the nozzle hole having
an inlet portion connected to the respective liquid chamber, the inlet portion having a smaller diameter toward the downstream, and
a guide portion connected to the downstream of the inlet portion to guide liquid to an opening of the nozzle hole, the guide portion being cylindrical with a constant cross-sectional shape and cross-sectional area along its length from the downstream of the inlet portion to the opening of the nozzle hole.