Hose end pattern sprinkler

• US 4,501,391 A
• Filed: 02/03/1984
• Issued: 02/26/1985
• Est. Priority Date: 02/04/1982
• Status: Expired due to Fees

• Current Assignee: Toro Company (Toro)
• Original Assignee: Toro Company (Toro)
• Inventors: Hunter, Edwin J.
• Primary Examiner(s): Kashnikow, Andres
• Application Number:
  US06/576,775
• Time in Patent Office: 389 Days
• Field of Search: 415/146, 415/147, 415/157, 137/505.18, 239/97, 239/206, 239/225, 239/231, 239/240, 239/390, 239/394, 239/396, 239/397, 239/516, 239/533.1, 239/570, 239/597, 239/598, 239/601, 239/DIG. 1
• US Class Current: 239/97
• CPC Class Codes: B05B 1/02 designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shapeB05B1/26, B05B1/28, B05B1/34 take precedence
• CPC Class Codes: B05B 1/1654 about an axis parallel to the liquid passage in the stationary valve element
• CPC Class Codes: B05B 1/3006 the controlling element being actuated by the pressure of the fluid to be sprayed B05B11/0062 takes precedence
• CPC Class Codes: B05B 3/0422 with rotating outlet elements
• CPC Class Codes: Y10S 239/01 Pattern sprinkler

Abstract

A hose end pattern sprinkler has a sprinkler housing supported on a base with a hose end coupling for connecting a garden type hose to a water inlet of the housing, a pressure regulator having an inlet pressure balanced valve member which is adjustable externally of the housing for controlling the pressure of water flowing within the housing, a variable leaf spring stator for shaping water flow from the pressure regulator into a variable width stream in response to the water pressure, a water driven turbine including an impeller wheel having turbine vanes positioned to be impinged with water flowing past the variable leaf spring, a rotatable nozzle having an outer drive gear and triangular bottom nozzle inlets having apexes converging in a center bore, and an annular pattern plate of ring configuration having an internal gear, the plate being operable externally of the housing for moving the plate beneath the associated nozzle inlets with the pattern plate having a plurality of different configured pattern orifices for controlling water flow from the associated nozzle inlets to a selectable pattern, and a stream deflector normally biased toward a maximum stream deflecting position with a water pressure responsive piston provided for moving the deflector against its bias under the force on the deflector provided by water pressure within the nozzle.

Claims

1. A pattern sprinkler having a housing, a water inlet to said housing, nozzle means for spraying water from said housing and a water passage within said housing communicating between said inlet and said nozzle means, said sprinkler further comprising:

an annular pattern plate means having a plurality of different configured spray pattern orifices provided threin in a circular array;

means for mounting said annular pattern plate means in the path of water flow through said water passage between said inlet and said nozzle means to control the pattern of water spray from said nozzle means in response to the particular spray pattern orifice positioned in the path of said water flow; and

water spray deflector means associated with said nozzle means for breaking up the nozzle water sprays emitted by said nozzle means, said deflector means including a plurality of deflection vanes biased toward a maximum spray deflecting position and water pressure operated means for urging said deflector vanes toward a minimum deflecting position in response to water pressure within said nozzle means.

2. A pattern sprinkler having a housing, a water inlet to said housing, nozzle means for spraying water from said housing and a water passage within said housing communicating between said inlet and said nozzle means, said sprinkler further comprising:

an annular pattern plate means having a plurality of different configured spray pattern orifices provided therein in a circular array;

means for mounting said annular pattern plate means in the path of water flow through said water passage between said inlet and said nozzle means to control the pattern of water spray from said nozzle means in response to the particular spray pattern orifice positioned in the path of said water flow;

pressure regulator means in said housing connected to said inlet and having a water pressure outlet for regulating the pressure of water flowing from said inlet through said water pressure outlet, said pressure regulator means including an externally manually adjustable means for varying the pressure setting of said regulator means; and

a leaf spring having one end secured adjacent one side of the water pressure outlet from said regulator means, a curved body portion extending across said water passage with an opposite spring end engaging against an opposite side of said passage during low water pressures in said passage and a nozzle effecting notch in said free end of said leaf spring whereby water flow in said water passage at lower pressures go through said notch with water flow of higher pressures bending said leaf spring to allow water flow to pass between said opposite spring end and the adjacent water passage wall in addition to through said notch.

3. The pattern sprinkler of claim 2 further comprising:

water turbine means including an impellor wheel with turbine vanes positioned in the path of water flow past said leaf spring; and

rotatable nozzle means driven by said water turbine means and in fluid communication with said water flow for spraying water outwardly about said sprinkler housing.

4. The pattern sprinkler of claim 3 wherein said water turbine means impeller wheel turbine vanes are positioned in the path of water flow through said notch.

5. A pattern sprinkler having a housing, a water inlet to said housing, nozzle means for spraying water from said housing and a water passage within said housing communicating between said inlet and said nozzle means, said sprinkler further comprising:

an annular pattern plate means having a plurality of different configured spray pattern orifices provided therein in a circular array;

means for mounting said annular pattern plate means between said inlet and said nozzle means to control the pattern of water spray from said nozzle means in response to the particular spray pattern orifice positioned in the path of said water flow;

water turbine means positioned in the path of said water flow in said water passage; and

wherein said nozzle means further comprises;

(i) a cylindrical body having a plurality of triangularly shaped bottom water inlets with apexes thereof extending to the body bottom center, vertical side nozzle outlets of upright triangular configuration and arcuate flow paths between each of said inlets and outlets, respectively, whereby a plurality of nozzle outlets are provided through said nozzle means with the nozzle inlets active area extending on the bottom thereof to the center of the body; and

(ii) an external gear provided about said cylindrical body for rotating the same off of the drive of said water turbine means.

6. A pattern sprinkler having a housing, a water inlet to said housing, nozzle means for spraying water from said housing and a water passage within said housing communicating between said inlet and said nozzle means, said sprinkler further comprising:

an annular pattern plate means having a plurality of different configured spray pattern orifices provided therein in a circular array, wherein said annular pattern plate means includes;

(i) a flat annular plate of ring configuration having said pattern orifices spaced in a single file array about said ring; and

(ii) an internal gear provided on an inner surface of said ring;

means for mounting said annular pattern plate means in the path of water flow through said water passage between said inlet and said nozzle means to control the pattern of water spray from said nozzle means in response to the particular spray pattern orifice positioned in the path of said water flow;

manually operated drive gear means for rotating said ring through engagement with said internal gear to rotate said ring to place said pattern orifices individually and sequentially into alignment beneath said nozzle means; and

detent means for locating said pattern plate in selected positions of rotation to facilitate alignment of each pattern orifice to said nozzle means.

7. In a sprinkler having a water inlet, a water dispensing nozzle and a water flow passage communicating between said inlet and nozzle, the improvement comprising the provision of:

a leaf spring for shaping water flow through said passage into a variable width stream in response to the water pressure of water flowing through said passage,

said leaf spring having one end secured adjacent one side of said water passage, a curved body portion extending across said water passage with an opposite spring end engaging against an opposite side of said passage during low water pressures in said passage and a nozzle effecting notch in said free end of said leaf spring whereby water flows in said water passage at lower pressures go through through said notch with water flows of higher pressures bending said leaf spring to allow water flow to pass between said opposite spring end and the adjacent water passage wall in addition to through said notch.

8. The improvement in sprinkler of claim 7 including the additional provision of:

pressure regulator means connected into said passage between said inlet and said stator means for regulating the pressure of water flowing to said leaf spring, said pressure regulator means including a valve closing member operatively balanced against inlet pressures to move between valve open and valve close positions solely in response to changes in water pressure in said passage between said regulator means and said stator means.

9. In a sprinkler having a water inlet, a water spraying nozzle and a water flow passage communicating between said inlet and nozzle, the improvement wherein said nozzle comprises:

a cylindrical body having a plurality of triangularly shaped bottom water inlets with apexes thereof extending to a center of the body bottom, vertical side nozzle outlets of upright triangular configuration and arcuate flow paths between each of said inlets and outlets, respectively, whereby a plurality of nozzle outlets are provided through said nozzle with the nozzle inlets active areas extending on the bottom thereof to the center of the body.

10. The impovement in sprinkler of claim 9 wherein said nozzle further comprises:

an external gear provided about said cylindrical body for rotating the same off of a drive means.

11. In a sprinkler having a water inlet, a water spray nozzle means and a water flow passage communicating between said inlet and said nozzle means, the improvement comprising the provision of:

water spray deflector means associated with said nozzle means for breaking up the nozzle water sprays emitted by said nozzle means, said deflector means including a plurality of deflection vanes biased toward a maximum spray deflecting position and water pressure operated means for urging said deflector vanes toward a minimum deflecting position in response to water pressure within said nozzle means.

12. The improvement in sprinkler of claim 11 wherein:

a cap is fixedly mounted to said nozzle in vertically spaced relation with said spray deflector means including a deflection vane mounting wheel positioned between said cap and nozzle; and

spring means are positioned between said cap and deflection wheel for biasing the later downwardly toward said nozzle.

13. The improvement in sprinkler of claim 12 wherein:

said nozzle is provided with a center bore opening to water pressure of water entering the nozzle and an inner pressure chamber forming cylinder communicating with said bore; and

said deflection means includes a piston portion located in said cylinder and connected to said deflection vane mounting wheel whereby water pressure in said chamber biases said wheel upwardly against the downward bias of said spring means.

14. The improvement in sprinkler of claim 13 wherein said piston portion of said deflection means includes a resilient depending skirt formed integrally of said vane mounting wheel and said skirt has an intregral bottom end outwardly projecting ring engaging inner sides of said cylinder in fluid tight relation.

15. The improvement in sprinkler of claim 11 wherein said plurality of deflection vanes are provided in a series of progressively longer length vanes extending from a first vane at a given reference point around a closed circular path to a last vane portioned adjacent said first vane.

16. A hose end pattern sprinkler having a sprinkler housing supported on a base with a hose end coupling for supplying water through an inlet into the housing and comprising:

pressure regulator means in said housing connected to said inlet and having a water passage outlet for regulating the pressure of water flowing from said inlet through said water passage outlet, said pressure regulator means including an externally manually adjustable means for varying the pressure setting of said regulator means;

means in said water passage outlet for variably restricting water flow thereby;

water turbine means including an impellor wheel with turbine vanes positioned in the path of water flow past said restricting means;

rotatable nozzle means driven by said water turbine means and in fluid communication with said water flow for spraying water outwardly about said sprinkler housing;

annular pattern plate means having a plurality of differently configured spray pattern orifices spaced in an a circular array thereabout;

means for movably mounting said pattern plate means beneath said nozzle means in the path of said water flow for controlling the pattern of water spray from said nozzle means;

manual means operable externally of said housing for moving said annular pattern plate means to sequentially place selected ones of said pattern orifices in alignment with said nozzle means, and

water spray deflector means associated with said nozzle means for breaking up the nozzle water sprays emitted by said nozzle means, said deflector means including a plurality of deflection vanes biased toward a maximum spray deflecting position and water pressure operated means for urging said deflector vanes toward a minimum deflecting position in response to water pressure within said nozzle means.

17. The hose end pattern sprinkler of claim 16 wherein said pressure regulator means includes a valve closing member operatively balanced against inlet water pressure so as to move between valve opened and valve closed positions solely in response to the water passage outlet pressure.

18. The hose end pattern sprinkler of claim 16 wherein said variable stator means comprises:

a leaf spring having one end secured adjacent one side of the water passage outlet from said regulator means, a curved body portion extending across said water passage with an opposite spring end engaging against an opposite side of said passage during low water pressures in said passage and a nozzle effecting notch in said free end of said leaf spring whereby water flows in said water passage at lower pressures go through said notch with water flows of higher pressures bending said leaf spring to allow water flow to pass between said opposite spring end and the adjacent water passage wall in addition to through said notch.

19. The hose end pattern sprinkler of claim 18 wherein said water turbine means impeller wheel turbine vanes are positioned in the path of water flow through said notch.

20. The hose end pattern sprinkler of claim 16 wherein said nozzle means comprises a cylindrical body having a plurality of triangularly shaped bottom water inlets with apexes thereof extending to the bottom center, vertical said nozzle outlets of upright triangular configuration and arcuate flow paths between each of said inlets and outlets, respectively, whereby a plurality of nozzle outlets are provided through said nozzle means with the nozzle inlets active area extending on the bottom thereof to the center of the body.

21. The hose end pattern sprinkler of claim 20 wherein said nozzle means further comprises:

an external gear provided about said cylindrical body for rotating the same off of the drive of said water turbine means.

22. The hose end pattern sprinkler of claim 16 wherein said annular pattern plate means comprises:

a flat annular plate of ring configuration having said pattern orifices spaced in single file array about said ring,

an internal gear provided on an inner surface of said ring and

drive gear means associated with said manual means for driving said ring through engagement with said internal gear to rotate said ring to place said pattern orifices individually and sequentially into alignment beneath said nozzle means.

23. The hose end pattern sprinkler of claim 16 wherein said manual means further includes detent means for locating said pattern plate means in selected positions of rotation to facilitate alignment of each pattern orifice to said nozzle means.

24. The hose end pattern sprinkler of claim 20 wherein said annular pattern plate means is so provided to place said spray pattern orifices centered below and aligned to a vertical center line of said nozzle means cylindrical body.