The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 10, 1989
Filed:
Jul. 24, 1987
Avi Zakai, Rishon Le-Zion, IL;
Other;
Abstract
In a rotary irrigation mini-sprinkler of the kind comprising a housing having a housing inlet and a housing outlet and, intermediate thereof, a differential pressure control means responsive to variations in the pressure differential between the inlet and outlet and including a throughflow path serving to communicate with said housing inlet and outlet, the throughflow dimensions of the path varying in accordance with the differential, the improvement wherein the housing outlet includes an outflow port in direct communication with the path and having a non-circular cross-sectional shape such as to reduce substantially the velocity of water entering the port from the path and thereby ensuring that the water fully occupies the port.