Sanitary insertion unit

Patent metadata

Field	Value
Publication number	US-11434629-B2
Application number	US-201716085643-A
Country	US
Kind code	B2
Filing date	Apr 24, 2017
Priority date	May 28, 2016
Publication date	Sep 6, 2022
Grant date	Sep 6, 2022

Abstract

A sanitary insertion unit (1), including an insertion housing (6), in which insertion housing a valve having a valve piston (10) is provided, which valve piston is slidably guided in the insertion housing and can be moved from a resting position under the pressure of the inflowing water against the restoring force of at least one restoring element (11). The restoring unit has at least one movement damper (12, 13), which damps or brakes the movement of the valve piston from the resting position to the open position.

First claim

The invention claimed is:

1. A sanitary insert unit ( 1 , 2 , 3 , 4 , 5 , 50 , 60 ), comprising:
an insert housing ( 6 ),
a valve having a valve piston ( 10 ) and at least one restoring element in the insert housing ( 6 ), said valve piston ( 10 ) being guided in a displaceable manner in the insert housing ( 6 ) and movable from a rest position, under pressure of inflowing water, counter to a restoring force of the at least one restoring element, and
at least one movement damper, which damps or brakes a movement of the valve piston ( 10 ) from the rest position into an open position,
wherein the at least one movement damper is configured as a hydraulic damper which has a damper housing ( 12 ) and a damper piston ( 13 ) located in and guided in a displaceable manner in the damper housing ( 12 ),
wherein, during a sliding movement from the rest position into the open position, the damper piston ( 13 ) displaces oil or a viscous fluid from one side of the damper piston ( 13 ) to another side of the damper piston ( 13 ) through at least one connecting duct,
wherein the at least one restoring element is arranged between a closed housing bottom of the damper housing ( 12 ) and an end side of the damper piston ( 13 ) that faces away from the flow-through direction, and
wherein the at least one restoring element applies pressure to an end side of the damper piston ( 13 ) that faces away from a flow-through direction of the insert unit ( 1 , 2 , 3 , 4 , 5 , 50 , 60 ).

2. The sanitary insert unit as claimed in claim 1 , wherein the at least one restoring element is a spring.

3. The sanitary insert unit as claimed in claim 1 , wherein the at least one restoring element is a compression spring ( 11 ).

4. The sanitary insert unit as claimed in claim 1 , wherein the valve piston ( 10 ) is connected to the damper piston ( 13 ) for movement via a piston rod ( 23 ).

5. The sanitary insert unit as claimed in claim 4 , wherein the piston rod ( 23 ) is connected to the valve piston ( 10 ) at first rod end thereof oriented counter to a direction of flow, and is connected to the damper piston ( 13 ) at a second rod end thereof that is directed in the direction of flow.

6. The sanitary insert unit as claimed claim 1 , wherein, in the rest position, the valve piston ( 10 ) of the valve butts at least partially against a circumferential rim in the insert housing ( 6 ), said circumferential rim forming a valve seat ( 16 ) and bounding a flow-through opening.

7. The sanitary insert unit as claimed in claim 6 , wherein the valve piston ( 10 ) of the valve is spaced apart, in the open position, from the valve seat ( 16 ), in the insert housing ( 6 ).

8. The sanitary insert unit as claimed in claim 6 , wherein the valve piston ( 10 ) bears a surface layer ( 40 ) made of elastic material, at least in an annular zone of an inflow-side piston end side, said annular zone butting against the valve seat ( 16 ) in the rest position.

9. The sanitary insert unit as claimed in claim 6 , wherein the valve piston ( 10 ) bears a surface layer ( 40 ) made of elastic material on an end side facing the valve seat ( 16 ), said surface layer being displaceably mounted on the valve piston ( 10 ) for movement in a radial direction.

10. The sanitary insert unit as claimed in claim 9 , wherein the surface layer ( 40 ) is configured as an annular disk having an annular-disk opening through which a peg ( 47 ), protruding from the valve piston ( 10 ), passes.

11. The sanitary insert unit as claimed in claim 9 , wherein the circumferential rim, in the insert housing ( 6 ) has at least one peripheral indentation ( 41 ) that is water-permeable even in the rest position of the valve.

12. The sanitary insert unit as claimed in claim 9 , wherein the valve piston ( 10 ) includes a piston circumferential rim facing the valve seat ( 16 ) that is chamfered or is rounded.

13. The sanitary insert unit as claimed in claim 9 , further comprising an annular or sleeve-shaped intermediate piece ( 39 ) on an inflow side of the insert housing ( 6 ), said intermediate piece ( 39 ) has a flow-through opening serving as a valve seat ( 16 ).

14. The sanitary insert unit as claimed in claim 13 , further comprising at least one of a dome screen or filter screen ( 30 ) located on an inflow side of the intermediate piece ( 39 ).

15. The sanitary insert unit as claimed in claim 9 , wherein the surface layer ( 40 ) engages with a circumferential-rim region thereof behind the valve piston ( 10 ).

16. The sanitary insert unit as claimed in claim 9 , further comprising guide ribs or guide webs ( 64 ) on an outflow side of the valve seat ( 16 ), said guide ribs or guide webs ( 64 ) each forming a linear piston guide for the valve piston ( 10 ) during the sliding movement of the valve piston ( 10 ).

17. The sanitary insert unit as claimed in claim 16 , wherein the surface layer ( 40 ) has a circumferentially protruding annular flange ( 65 ), and the guide ribs or guide webs ( 64 ) impinge on the circumferentially protruding annular flange ( 65 ) of the surface layer ( 40 ).

18. A sanitary insert unit ( 1 , 2 , 3 , 4 , 5 , 50 , 60 ), comprising:
an insert housing ( 6 ),
a valve having a valve piston ( 10 ) and at least one restoring element in the insert housing ( 6 ), said valve piston ( 10 ) being guided in a displaceable manner in the insert housing ( 6 ) and movable from a rest position, under pressure of inflowing water, counter to a restoring force of the at least one restoring element, and
at least one movement damper, which damps or brakes a movement of the valve piston ( 10 ) from the rest position into an open position,
wherein the at least one movement damper is configured as a hydraulic damper which has a damper housing ( 12 ) 7 and a damper piston ( 13 ) located in and guided in a displaceable manner in the damper housing ( 12 ),
wherein, during a sliding movement from the rest position into the open position, the damper piston ( 13 ) displaces oil or a viscous fluid from one side of the damper piston ( 13 ) to another side of the damper piston ( 13 ) through at least one connecting duct,
and wherein the sanitary insert unit ( 1 , 2 , 3 , 4 , 50 , 60 ) comprises a jet aerator that mixes water flowing therethrough with ambient air.

19. The sanitary insert unit as claimed in claim 18 , wherein the jet aerator includes a jet splitter ( 25 ), which divides the water flowing therethrough into a multiplicity of individual jets.

20. The sanitary insert unit as claimed in claim 19 , wherein the jet splitter ( 25 ) comprises a perforated plate, which has a multiplicity of flow-through holes ( 24 ) that form the individual jets.

21. The sanitary insert unit as claimed in claim 19 , wherein, in a housing circumferential wall of the insert housing ( 6 ), at least one aeration opening ( 17 ) is provided, which is provided in an annular zone of the housing circumferential wall, said annular zone being arranged directly beneath the jet splitter ( 25 ) in a direction of flow.

22. The sanitary insert unit as claimed in claim 19 , wherein the jet aerator has an outflow-side flow straightener ( 18 ) having a honeycomb, lattice or mesh structure, and said honeycomb, lattice or mesh structure is formed by webs that intersect at intersecting points.

23. The sanitary insert unit as claimed in claim 22 , wherein the honeycomb, lattice or mesh structure of the flow straightener ( 18 ) is integrally formed on the insert housing ( 6

Assignees

• Neoperl Gmbh

Inventors

• Tempel Marc

Classifications

• E03C1/084

  Jet regulators with aerating means · CPC title

• E03C1/08 Primary

  Jet regulators {or jet guides}, e.g. anti-splash devices · CPC title

• E03C1/104 Primary

  using a single check valve · CPC title

• F16K17/0433

  with vibration preventing means · CPC title

• F16K47/023

  for preventing water-hammer, e.g. damping of the valve movement · CPC title