Shower rose for a sanitary fitting

WO2026158957A1PCT designated stage Publication Date: 2026-07-30GROHE AG
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
GROHE AG
Filing Date
2026-01-14
Publication Date
2026-07-30

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Abstract

The invention relates to a shower rose (1) for a sanitary fitting, at least comprising: - a housing (2) having an inlet (3) for a liquid; - a multi-way valve (4) which is connected to the inlet (3); - at least one first jet former (5), which is connected via a first outflow channel (7) to a first outlet (9) of the multi-way valve (4); - at least one second jet former (6), which is connected to a second outlet (10) of the multi-way valve (4) via a second outlet channel (8); and - at least one non-return valve (11, 33) via which the liquid can flow from the second discharge channel (8) into the first discharge channel (7).
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Claims

Grohe AG P24-0342W001 - 16 - Patent claims 1. Shower head (1) for a sanitary fitting, at least comprising: - a housing (2) with an inlet (3) for a liquid; - a multi-way valve (4) connected to the inlet (3); - at least a first jet former (5) which is connected via a first outlet channel (7) to a first outlet (9) of the multi-way valve (4); - at least a second jet former (6) which is connected via a second outlet channel (8) to a second outlet (10) of the multi-way valve (4); and - at least one check valve (11, 33) through which the liquid can flow from the second drain channel (8) into the first drain channel (7).

2. Shower (1) according to claim 1, wherein the at least one non-return valve (11) is an umbrella valve.

3. Shower head (1) according to one of the preceding claims, wherein the at least one check valve (11) is arranged in a fluid guide (12) of the housing (2).

4. Shower (1) according to one of the preceding claims, wherein the at least one non-return valve (11) is arranged in a partition (13) between the first drain channel (7) and the second drain channel (8).

5. Shower (1) according to one of the preceding claims, wherein the at least one check valve (11) is arranged in, on or along a bypass channel (14, 32).

6. Shower head (1) according to one of the preceding claims, wherein the first outlet channel (7) comprises a fluidic oscillator (15). Grohe AG P24-0342W001 - 17 - 7. Shower (1) according to claim 6, wherein the fluidic oscillator (15) can be bypassed by the liquid via the at least one check valve (11).

8. Shower head (1) according to one of the preceding claims, comprising at least one further jet former (16.1, 16.2, 16.3) which is connected via a further outlet (17.1, 17.2, 17.3) to a further outlet (18.1, 18.2, 18.3) of the multi-way valve (4), and at least one further check valve (19.1, 19.2) through which the liquid can flow from the further outlet channel (17.1, 17.2, 17.3) into the first outlet channel (7), into the second outlet channel (8) or into the further outlet channel (17.1, 17.2, 17.3).