Jet water pump apparatus

Claim 2

Self-priming jet type water pump apparatus comprising a power source, a water pump connected to and driven by said power source, water inlet means for said pump, a priming tank in fluid receiving communication with said water inlet water means, a safety chamber, an air line placing said priming tank in communication with said safety chamber; a vacuum pump driven by said power source and having an air inlet conduit connected to said safety chamber whereby said vacuum pump can draw a vacuum from said safety chamber, said airline and consequently from said priming tank to thereby create a vacuum in said priming tank which causes water to be drawn up into said priming tank from said water inlet means; a float type valve mounted in said priming tank and actuated by water level of a predetermined height in said priming tank to close said air line to said safety chamber and consequently shut off the vacuum in said priming tank, a float switch in said safety chamber and having a connection to said power source for shutting off said power source when water enters said safety chamber from said priming tank and rises in said safety chamber to a predetermined level, a separator tank, a conduit connecting said vacuum pump with said separator tank whereby said vacuum pump can deliver a mixture of air and oil to said separator tank for separating air from said oil.

Claim 3

A self-priming jet type water pump apparatus comprising a mobile power source, a disengagable clutch connected to the output of said power source and a water pump connected to said clutch for being driven by said power source through said clutch, water inlet means for said pump, a priming tank in fluid receiving connection with said water inlet water means, a safety chamber, an air line between the upper end of said priming tank and said safety chamber, a vacuum pump driven by said power source and having an air inlet conduit connected to said safety chamber whereby said vacuum pump draws air from said safety chamber through said air line and consequently from said priming tank to thereby create a vacuum in said priming tank and causes water to be sucked up into said priming tank, a float type valve mounted in the upper portion of said priming tank and actuated by water level of a predetermined height in said priming tank to close said air lIne to said safety chamber and consequently shut off the vacuum pump and vacuum in said priming tank, a float switch in said safety chamber and having a connection to said power source for shutting off said source when water enters said chamber from said priming tank and rises in said chamber to a predetermined level, said clutch being disengageable to thereby stop said water pump while vacuum maintains water in said priming tank for subsequent priming of said water pump when said clutch is engaged, a separator tank, said vacuum pump having an outlet, a conduit connection between said outlet of said vacuum pump and said separator tank for delivering a mixture of air and oil to said separator tank.

Claim 4

A self-priming jet type water pump apparatus comprising a mobile power source, a disengagable clutch connected to the output of said power source and a water pump connected to said clutch for being driven by said power source through said clutch, water inlet means for said pump, a priming tank in fluid receiving connection with said water inlet water means, a safety chamber, an air line between the upper end of said priming tank and said safety chamber, a vacuum pump driven by said power source and having an air inlet conduit connected to said safety chamber whereby said vacuum pump draws air from said safety chamber through said air line and consequently from said priming tank to thereby create a vacuum in said priming tank and causes water to be sucked up into said priming tank, a float type valve mounted in the upper portion of said priming tank and actuated by water level of a predetermined height in said priming tank to close said air lIne to said safety chamber and consequently shut off the vacuum pump and vacuum in said priming tank, a float switch in said safety chamber and having a connection to said power source for shutting off said source when water enters said chamber from said priming tank and rises in said chamber to a predetermined level, said clutch being disengageable to thereby stop said water pump while vacuum maintains water in said priming tank for subsequent priming of said water pump when said clutch is engaged, a separator tank, said vacuum pump having an outlet, a conduit connection between said outlet of said vacuum pump and said separator tank for delivering a mixture of air and oil to said separator tank.

Claim 5

A self-priming jet type water pump apparatus comprising a mobile power source, a volute type water pump connected with and driven by said power source, a water inlet pipe extending rigidly from said pump and for conducting water to said pump, said pump having a discharge end and a one-way vlve in said discharge end for sealing the latter against entry of air when said pump is inoperative, a priming tank in fluid communication with said water inlet pipe, a safety chamber adjacent said priming tank, an air line between the upper end of said priming tank and said safety chamber, a vacuum pump driven by said power source and having an air inlet conduit connected to said safety chamber whereby said vacuum pump draws a vacuum in said safety chamber through said air line and consequently in said priming tank to thereby create a vacuum in said priming tank which causes water to be sucked up into said priming tank from said inlet pipe, a float type valve mounted in said priming tank and actuated by water level of a predetermined height in said priming tank to close said air line to said safety chamber and consequently shut off the vacuum in said priming tank, a float switch in said safety chamber and having a connection to said power source for shutting off said source when water enters said safety chamber from said priming tank and rises in said safety chamber to a predetermined level, a separator tank, said vacuum pump having a conduit connection with said separator tank for delivering a mixture of air and oil to said separator tank.

Claim 6

A self-priming jet type water pump apparatus comprising a mobile power source, a volute type water pump connected with and driven by said power source, a water inlet pipe extending rigidly from said pump and for conducting water to said pump, said pump having a discharge end and a one-way vlve in said discharge end for sealing the latter against entry of air when said pump is inoperative, a priming tank in fluid communication with said water inlet pipe, a safety chamber adjacent said priming tank, an air line between the upper end of said priming tank and said safety chamber, a vacuum pump driven by said power source and having an air inlet conduit connected to said safety chamber whereby said vacuum pump draws a vacuum in said safety chamber through said air line and consequently in said priming tank to thereby create a vacuum in said priming tank which causes water to be sucked up into said priming tank from said inlet pipe, a float type valve mounted in said priming tank and actuated by water level of a predetermined height in said priming tank to close said air line to said safety chamber and consequently shut off the vacuum in said priming tank, a float switch in said safety chamber and having a connection to said power source for shutting off said source when water enters said safety chamber from said priming tank and rises in said safety chamber to a predetermined level, a separator tank, said vacuum pump having a conduit connection with said separator tank for delivering a mixture of air and oil to said separator tank.

Claim 7

The apparatus set forth in claim 3 including a disengagable clutch between said power source and said water pump, said clutch being disengagable to thereby stop said water pump while vacuum maintains water in said priming tank for subsequent and immediate priming of said water pump when said clutch is engaged.

Claim 8

The pump apparatus set forth in claim 1 further characterized in that said power source has a fuel valve, said connection of said float switch to said power source is an electrical connection, and said electrical connection is to said fuel valve of said power source.

Claim 9

The apparatus set forth in claim 2 further characterized in that said power source has a fuel valve, said connection of said float switch to said power source is an electrical connection, and said electrical connection is to said fuel valve of said power source.

Claim 10

The apparatus set forth in claim 3 further characterized in that said power source has a fuel valve, said connection of said float switch to said power source is an electrical connection, and said electrical connection is to said fuel valve of said power source.

Claim 11

A mobile self-priming jet type water pump apparatus comprising a mobile frame having ground wheels for transporting said apparatus, an internal combustion engine, said engine having a fuel valve, a disengagable clutch connected directly to said engine, said clutch having an output shaft, a water pump connected directly to and driven by said clutch outtput shaft, a water inlet pipe extending rigidly from said pump and for conducting water to said pump, said pump having a discharge end and a check valve in said discharge end for sealing the latter against entry of air when said pump is inoperative, a priming tank rigidly mounteD on and in fluid communication with said water inlet pipe, a safety chamber rigidly mounted on said priming tank, an air line between and in communication with the upper end of said priming tank and the upper end of said safety chamber, a vacuum pump mounted on and driven directly by said engine and having an air inlet conduit connected to and in communication with the upper end of said safety chamber whereby said vacuum pump draws a vacuum in said safety chamber through said air line and consequently in said priming tank to thereby create a vacuum in said priming tank which causes water to be sucked up into said priming tank from said inlet pipe, a float type valve mounted in the upper portion of said priming tank and actuated by water level of a predetermined height in said priming tank to close said air line to said safety chamber and consequently shut off the vacuum in said priming tank, a float switch in said safety chamber and having an electrical connection to said fuel valve for shutting off said fuel valve and consequently said engine when water enters said safety chamber from said priming tank and rises in said safety chamber to a predetermined level, a separator tank, said vacuum pump having an outlet, a conduit connection between said outlet of said vacuum pump and separator tank for delivering a mixture of air and oil to said separator tank, said separator tank being mounted on said priming tank.

Claim 12

A mobile self-priming jet type water pump apparatus comprising a mobile frame having ground wheels for transporting said apparatus, an internal combustion engine, said engine having a fuel valve, a disengagable clutch connected directly to said engine, said clutch having an output shaft, a water pump connected directly to and driven by said clutch outtput shaft, a water inlet pipe extending rigidly from said pump and for conducting water to said pump, said pump having a discharge end and a check valve in said discharge end for sealing the latter against entry of air when said pump is inoperative, a priming tank rigidly mounteD on and in fluid communication with said water inlet pipe, a safety chamber rigidly mounted on said priming tank, an air line between and in communication with the upper end of said priming tank and the upper end of said safety chamber, a vacuum pump mounted on and driven directly by said engine and having an air inlet conduit connected to and in communication with the upper end of said safety chamber whereby said vacuum pump draws a vacuum in said safety chamber through said air line and consequently in said priming tank to thereby create a vacuum in said priming tank which causes water to be sucked up into said priming tank from said inlet pipe, a float type valve mounted in the upper portion of said priming tank and actuated by water level of a predetermined height in said priming tank to close said air line to said safety chamber and consequently shut off the vacuum in said priming tank, a float switch in said safety chamber and having an electrical connection to said fuel valve for shutting off said fuel valve and consequently said engine when water enters said safety chamber from said priming tank and rises in said safety chamber to a predetermined level, a separator tank, said vacuum pump having an outlet, a conduit connection between said outlet of said vacuum pump and separator tank for delivering a mixture of air and oil to said separator tank, said separator tank being mounted on said priming tank.

Claim 13

The apparatus set forth in claim 8 further characterized in that said separator tank is rigidly connected to said priming tank.

Claim 14

The apparatus set forth in claim 8 further characterized in that said fuel valve is an electric solenoid operated valve, said clutch is in axial alignment with said engine, said water pump is a volute type pump and said water inlet pipe is in axial alignment with said volute type water pump.