Vacuum
AssigneeYamabiko Corporation
InventorTomohisa UMEKI
Life of this patent
Estimating the term…
Abstract
Provided is a vacuum capable of increasing the air flow with a larger volume of air sucked from a suction port and increasing the initial velocity (sucking rate) of sucked objects near the suction port, and also capable of smoothly feeding pressurized wind in a pipe and efficiently sucking objects to collect the sucked objects. An ejection port is provided near the suction port by a turn portion and an inner pipe. In addition, the ejection port is provided outward of a narrowest portion of the inner pipe, the narrowest portion being provided nearer to the base end than the ejection port.
Claims6
A vacuum configured to perform sucking work, comprising:
- a pipe including a suction port and a discharge port;
- a blower fan driven by a driving source;
- and
- a nozzle provided near the suction port of the pipe, and configured to feed pressurized wind generated by the blower fan into the pipe from around the pipe, and to eject the pressurized wind to the discharge port,
- wherein:
- the nozzle includes:
- an inner pipe disposed inside of the pipe;
- and
- a turn portion disposed around a front end portion of the inner pipe, the turn portion including the suction port and allowing the pressurized wind generated by the blower fan and fed to an outside of the inner pipe to turn toward a base end at around the front end portion of the inner pipe;
- an ejection port is formed between the turn portion and the inner pipe;
- and
- the ejection port is provided radially outward of a narrowest portion of the inner pipe, the narrowest portion being provided nearer to the base end than the ejection port.
Dependencies are inferred from the claim text.