HAND PUMP HAVING ELECTRIC GENERATOR
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United States of America Patent
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-
N/A
Issued Date -
Nov 5, 2015
app pub date -
May 2, 2014
filing date -
May 2, 2014
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A hand pump includes a piston slidably engaged in a housing and coupled to a piston rod, a handle attached to the piston rod for moving the piston along the housing in the reciprocating action in order to pump and generate a pressurized air and to supply the pressurized air out through the outlet port of the housing, the piston is selected from a magnetic member, and a coil is engaged onto the housing and disposed around the piston for generating an electrical energy when the piston is moved relative to the housing and the coil. The piston includes one or more recesses for receiving the pressurized air and for buffering purposes. A cover is attached to the housing and includes a space for buffering purposes.
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