Water circulation system

Claim 2

In a human conveyance including a fresh water storage tank positioned at a first elevation, washing means having a fresh water inlet connected with said storage tank by conduit means and positioned at a second elevation lower than said first elevation whereby water flows by gravity from said storage tank to said washing means, a collecting tank positioned at a third elevation lower than said second elevation, said washing means having a drain outlet communicating with said collecting tank whereby water flows by gravity through said drain outlet to said collecting tank, a toilet having a water inlet and a water outlet, said toilet water inlet communicating with said collecting tank and being positioned at a fourth elevation lower than said third elevation whereby water flows by gravity from said collecting tank through said toilet water inlet, a waste tank positioned at a sixth elevation lower than said fifth elevation and below said toilet water outlet, said toilet water outlet communicating with said waste tank whereby water flows by gravity through said toilet water outlet to said waste tank.

Claim 3

The device of claim 1 and further including conduit means connecting said fresh water storage tank directly with said toilet water inlet.

Claim 4

The device of claim 2 and further including overflow conduit means connecting said collecting tank directly with said waste tank.

Claim 5

The device of claim 3 and further including defoaming means positioned between said washing means drain outlet and said toilet water inlet.

Claim 6

The device of claim 4 and further including filter means positioned between said washing means drain outlet and said toilet water inlet.

Claim 7

An arrangement for circulating and conserving water in a human conveyance comprising; a fresh water storage tank for storing fresh water, washing means to which fresh water is supplied from said fresh water storage tank for performing washing functions, said washing means having a water inlet communicating with said fresh water storage tank, flow means for supplying fresh water from said fresh water storage tank to said washing means through said washing means water inlet, a used water collecting tank for collecting used water from said washing means, said washing means having a drain outlet communicating with said collecting tank, flow means for supplying used wash water from said washing means to said used water collecting tank through said washing means drain outlet, a toilet having a water inlet and a water outlet, a waste tank for receiving waste from said toilet, flow means for supplying waste from said toilet to said waste tank through said toilet water outlet, said toilet water inlet communicating with said used water collecting tank and with said fresh water storage tank, and flow means for selectively supplying used water from said used water collecting tank or fresh water from said fresh water storage tank to said toilet through said toilet water inlet, whereby water is conserved by utilizing used wash water in said used water collecting tank for operating said toilet and fresh water from said fresh water storage tank is selectively used to clean said toilet and operate said toilet in the absence of used wash water in said used water collecting tank.

Claim 8

An arrangement for circulating and conserving water in a human conveyance comprising; a fresh water storage tank for storing fresh water, washing means to which fresh water is supplied from said fresh water storage tank for performing washing functions, said washing means having a water inlet communicating with said fresh water storage tank, flow means for supplying fresh water from said fresh water storage tank to said washing means through said washing means water inlet, a used water collecting tank for collecting used water from said washing means, said washing means having a drain outlet communicating with said collecting tank, flow means for supplying used wash water from said washing means to said used water collecting tank through said washing means drain outlet, a toilet having a water inlet and a water outlet, a waste tank for receiving waste from said toilet, flow means for supplying waste from said toilet to said waste tank through said toilet water outlet, said toilet water inlet communicating with said used water collecting tank and with said fresh water storage tank, and flow means for selectively supplying used water from said used water collecting tank or fresh water from said fresh water storage tank to said toilet through said toilet water inlet, whereby water is conserved by utilizing used wash water in said used water collecting tank for operating said toilet and fresh water from said fresh water storage tank is selectively used to clean said toilet and operate said toilet in the absence of used wash water in said used water collecting tank.

Claim 9

The device of claim 6 and further including overflow conduit means connecting said used water collecting tank with said waste tank whereby used wash water in said used water collecting tank may flow directly from said collecting tank to said waste tank and bypass said toilet.

Claim 10

The device of claim 6 and further including defoaming means and filter means positioned between said toilet water inlet and said drain outlet from said washing means, whereby used wash water utilized to operate said toilet is filtered and defoamed.

Claim 11

In an arrangement for circulating and conserving water on a human conveyance having toilet and washing facilities; a fresh water storage tank for storing fresh water, washing means to which fresh water is supplied from said fresh water storage tank for performing washing functions, said washing means having a water inlet communicating with said fresh water storage tank, flow means for supplying fresh water from said fresh water storage tank to said washing means through said washing means water inlet, a used water collecting tank for collecting used water from said washing means, said washing means having a drain outlet communicating with said collecting tank, flow means for supplying used wash water from said washing means to said used water collecting tank through said washing means drain outlet, a toilet having a water inlet and a water outlet, a waste tank for receiving waste from said toilet, flow means for supplying waste from said toilet to said waste tank through said toilet water outlet, said toilet water inlet communicating with said used water collecting tank, flow means for supplying used water from said used water collecting tank to said toilet through said toilet water inlet, and filter means and defoaming means positioned between said washing means drain outlet and said toilet water inlet for filtering and defoaming used water prior to use thereof for operating said toilet.

Claim 12

In an arrangement for circulating and conserving water on a human conveyance having toilet and washing facilities; a fresh water storage tank for storing fresh water, washing means to which fresh water is supplied from said fresh water storage tank for performing washing functions, said washing means having a water inlet communicating with said fresh water storage tank, flow means for supplying fresh water from said fresh water storage tank to said washing means through said washing means water inlet, a used water collecting tank for collecting used water from said washing means, said washing means having a drain outlet communicating with said collecting tank, flow means for supplying used wash water from said washing means to said used water collecting tank through said washing means drain outlet, a toilet having a water inlet and a water outlet, a waste tank for receiving waste from said toilet, flow means for supplying waste from said toilet to said waste tank through said toilet water outlet, said toilet water inlet communicating with said used water collecting tank, flow means for supplying used water from said used water collecting tank to said toilet through said toilet water inlet, and filter means and defoaming means positioned between said washing means drain outlet and said toilet water inlet for filtering and defoaming used water prior to use thereof for operating said toilet.