Sprinkler
First Claim
1. A pop-up sprinkler comprising:
- an outer housing defining a water inlet;
an inner housing which is raised automatically in response to the supply of water under at least a predetermined pressure;
a water driven turbine disposed within said inner housing and driven by water entering the sprinkler via said water inlet;
a reducing gear assembly housing disposed within said inner housing and driven by said water driven turbine and having an output shaft fixed against rotation with respect to said inner housing, whereby operation of the water driven turbine causes the reducing gear assembly housing to rotate relative to the inner housing; and
a rotatable water outlet fixed to the reducing gear assembly housing for rotation together therewith relative to said inner housing.
1 Assignment
0 Petitions
Accused Products
Abstract
A pop-up sprinkler including an outer housing defining a water inlet, an inner housing which is raised automatically in response to the supply of water under at least a predetermined pressure, a water driven turbine disposed within the inner housing and driven by water entering the sprinkler via the water inlet, a reducing gear disposed within the inner housing and driven by the water driven turbine and having an output shaft fixed against rotation with respect to the inner housing, whereby operation of the water driven turbine causes the reducing gear to rotate relative to the housing, and a rotatable water outlet fixed to the reducing gear for rotation together therewith relative to the inner housing.
-
Citations
29 Claims
-
1. A pop-up sprinkler comprising:
-
an outer housing defining a water inlet; an inner housing which is raised automatically in response to the supply of water under at least a predetermined pressure; a water driven turbine disposed within said inner housing and driven by water entering the sprinkler via said water inlet; a reducing gear assembly housing disposed within said inner housing and driven by said water driven turbine and having an output shaft fixed against rotation with respect to said inner housing, whereby operation of the water driven turbine causes the reducing gear assembly housing to rotate relative to the inner housing; and a rotatable water outlet fixed to the reducing gear assembly housing for rotation together therewith relative to said inner housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
-
-
13. A sprinkler comprising:
-
a housing defining a water inlet; a water driven turbine driven by water entering the sprinkler via said water inlet; a reducing gear assembly housing driven by said water driven turbine and having an output shaft fixed against rotation with respect to said housing, whereby operation of the water driven turbine causes the reducing gear assembly housing to rotate relative to the housing; and a rotatable water outlet fixed to the reducing gear assembly housing for rotation together therewith, and wherein said reducing gear assembly housing comprises a planetary gear. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
-
-
24. A sprinkler comprising:
-
a housing defining a water inlet; a water driven turbine driven by water entering the sprinkler via said water inlet and having at least first and second water inlet apertures whereby water entering said turbine via said first and second water inlet apertures produces operation of the turbine in respective first and second opposite rotational directions; a rotatable water outlet driven by the water driven turbine; water outlet rotation direction selection apparatus for selectably blocking one of the first and second water inlet apertures and including first and second elements being mounted for rotation about first and second mutually spaced rotation axes and being interconnected by an over-center spring mechanism, said first and second elements having portions which mutually engage each other at a location intermediate said first and second mutually spaced rotation axes, thereby to ensure desired mutual orientation of the first and second elements even under adverse environmental conditions. - View Dependent Claims (25, 26, 27, 28, 29)
-
Specification