Pumped shower draining device
First Claim
1. A pumped shower draining device for shower apparatus, the device comprising a housing having a waste water inlet and a waste water outlet, a pump element provided within or adjacent to the housing which pumps waste water from the waste water inlet to the waste water outlet, a first pump-driving device drivably engaged with the pump element, a second pump-driving device drivably engaged with the pump element, and a controller to control the first and/or second pump-driving devices, the first pump-driving device being hydraulically operable by shower water supplied to a shower head, the second pump-driving device being electrically operable, and the controller controlling at least one of the first pump-driving device and second pump-driving device to supplement and/or be substituted for the other.
1 Assignment
0 Petitions
Accused Products
Abstract
A pumped shower draining device for shower apparatus, the device comprising a housing having a waste water inlet and a waste water outlet, a pump element provided within or adjacent to the housing which pumps waste water from the waste water inlet to the waste water outlet, a first pump-driving device drivably engaged with the pump element, a second pump-driving device drivably engaged with the pump element, and a controller to control the first and/or second pump-driving devices. The first pump-driving device is hydraulically operable by shower water supplied to a shower head. The second pump-driving device is electrically operable, and the controller controls at least one of the first pump-driving device and second pump-driving device to supplement and/or to be substituted for the other. Shower apparatus having the pumped shower draining device is also provided.
-
Citations
15 Claims
- 1. A pumped shower draining device for shower apparatus, the device comprising a housing having a waste water inlet and a waste water outlet, a pump element provided within or adjacent to the housing which pumps waste water from the waste water inlet to the waste water outlet, a first pump-driving device drivably engaged with the pump element, a second pump-driving device drivably engaged with the pump element, and a controller to control the first and/or second pump-driving devices, the first pump-driving device being hydraulically operable by shower water supplied to a shower head, the second pump-driving device being electrically operable, and the controller controlling at least one of the first pump-driving device and second pump-driving device to supplement and/or be substituted for the other.
-
11. Shower apparatus comprising:
- a shower head;
a shower-water supply liquidly communicable with the shower head;
a drain unit; and
a pumped shower draining device including a housing having a waste water inlet and a waste water outlet, a pump element provided within or adjacent to the housing which pumps waste water from the waste water inlet to the waste water outlet, a first pump-driving device drivably engaged with the pump element, a second pump-driving device drivably engaged with the pump element, and a controller to control the first and/or second pump-driving devices, the first pump-driving device being hydraulically operable by shower water supplied to a shower head, the second pump-driving device being electrically operable, and the controller controlling at least one of the first pump-driving device and second pump-driving device to supplement and/or be substituted for the other;
wherein, the first pump-driving device is provided on a flow path upstream of the shower head so as to be operable by the shower water of the shower-water supply. - View Dependent Claims (12, 13, 14, 15)
- a shower head;
Specification