About 11 results
https://drivepatents.com/patents/1007770 · 23 Nov 2011
A battery pack comprises a housing including an upper housing with an opening, and a lower housing with a lower surface at an opposite side of the opening, side walls extending in a substantially longitudinal direction, and end walls extending in a substan...
https://drivepatents.com/patents/1008653 · 19 Oct 2011
Provided is a laminar-scavenging two-cycle engine, which can have a higher laminar-scavenging effect than that of the laminar-scavenging two-cycle engine of the prior art and which can expect drastically excellent effects on the stabilization of combustion...
https://drivepatents.com/patents/1011595 · 29 Jun 2011
A battery pack comprises a housing 11, 16 with an opening 16c through which a protective member for a plurality of first terminals of an electric apparatus is inserted; a board 13 with a terminal arranging part 13A; a plurality of second terminals 14 posit...
https://drivepatents.com/patents/1066424 · 14 Jun 2006
A battery charger detects a battery voltage, a battery temperature, and computes a change in the battery voltage between two timings at which the battery voltages are detected and also a change in the battery temperature between two timings at which the ba...
https://drivepatents.com/patents/1067681 · 3 May 2006
A battery charging apparatus includes a switching power source supplying a current to a battery pack (2), an input voltage detecting unit (100) detecting an input voltage of the switching power source, a charging current control unit (60) that detects a ch...
https://drivepatents.com/patents/1074318 · 7 Sep 2005
In order to prevent a battery pack (9) from being overly discharged during use in a power tool (1), a discharge voltage limit circuit (10) is provided. The circuit (10) disconnects the battery pack (9) from the motor (12) when the voltage of the battery pa...
https://drivepatents.com/patents/1075731 · 20 Jul 2005
A combustion type power tool (1) having a fan (30) capable of providing a desirable turbulence in a combustion chamber (26) in order to accelerate the fuel mixing process and to accelerate ignition. A fan is rotatably disposed in a combustion chamber (26) ...
https://drivepatents.com/patents/1078111 · 4 May 2005
A DC power source unit supplies a DC voltage to a power tool (22) through an adapter when a power switch of the tool (22a) is turned ON and also charges a battery pack (2) used as an alternative power source of the tool when the power tool is not operated....
https://drivepatents.com/patents/1082121 · 24 Nov 2004
A DC power source unit (100) supplies a DC voltage to a power tool (4) through an adapter (3) when a power switch (4b) of the tool (4) is turned ON and also charges a battery pack (5) used as an alternative power source of the tool (4) when the power tool ...
https://drivepatents.com/patents/1086755 · 2 Jun 2004
To provide a universal battery charger with low power consumption during a standby condition and a rush current suppressing capability at the time of commencement of charging, a voltage slightly larger than a battery voltage is produced and applied to the ...