Electric priming pump device
OwnerJoshua J. McPhersoninventor
Life of this patent
Estimating the term…
Abstract
An electric priming pump device detachably couples to a centrifugal water pump on the suction side of the water pump, for priming thereof. The device comprises an enclosure and a base, wherein the enclosure contains a rotary vane peripheral bypass vacuum motor which is pressed against the base to form an air-tight seal. The device generates a vacuum for priming through use of a rotary vane peripheral bypass vacuum motor, which can remove large volumes of air quickly. An opening in the base receives a check valve fitting to protect the motor from water and slows loss of vacuum pressure after use. Additionally, a cone shaped protective cover protects components in the device and provides space for branding or advertisement.
Claims9
A portable electric priming pump device, the device comprising:
- an enclosure,
- a base, wherein the base comprising a coupling neck defined by a neck opening;
- a vacuum pump powered by a vacuum motor, the vacuum pump operably mounted inside the enclosure to form an air-tight seal with the base,
- a check valve fitting insertable into the neck opening, wherein the check valve fitting defines a channel and a ball disposed inside the channel, the ball is configured to move along the channel in response to the vacuum pressure generated by the vacuum pump, whereby when no vacuum is generated by the vacuum pump, the ball falls due to gravity and closes the neck opening;
- and
- a transparent suction hose, wherein one end of the transparent hose is configured to couple the check valve fitting and the other end of the transparent hose is configured to couple to suction side of a water pump, thereby enabling visual confirmation of priming of the water pump.
A portable electric priming pump device, the device comprising:
- an enclosure, wherein the enclosure comprising a bottom surface;
- a base, wherein the base is set inside the bottom surface of the enclosure, further the base comprising a coupling neck defined by a neck opening;
- a vacuum pump powered by a vacuum motor, wherein the vacuum pump is operably mounted inside the enclosure to form an air-tight seal with the base, further the vacuum pump is protected by a motor cover with vents;
- a check valve fitting insertable into the neck opening, the check valve fitting defining a channel;
- an anticorrosive metal ball disposed inside the channel of the check valve fitting, wherein the metal ball is configured to move along the channel of the check valve fitting in response to the vacuum pressure generated by the vacuum pump to protect the vacuum pump from water, whereby when no vacuum is generated by the vacuum pump, the ball falls under gravity and closes the neck opening;
- a power source actuated by a control switch and operatively connected to the vacuum pump;
- and
- a transparent suction hose, wherein one end of the transparent hose is configured to couple to the check valve fitting and the other end of the transparent hose is configured to couple to a suction side of a centrifugal water pump, thereby enabling visual confirmation of priming of the centrifugal water pump and automatically closing check valve to trap the water in the water pump.
Dependencies are inferred from the claim text.