Patent ID: 8961145
Filing Date: 2015-02-24
Classification: F04B

Abstract:
1. An air compressor system comprising: a first compressor having a first high pressure air output, said first compressor being driven by a DC motor; a second compressor having a second high pressure air output, said second compressor being driven by an AC motor; wherein said first and second high pressure air outputs are fluidly coupled to a common pressure gauge and to an output hose, said pressure gauge having a user settable shut-off mechanism operable to interrupt power to both said DC motor and said AC motor; and a manually-operable three-position switch having a first ON position in which power is supplied to said DC motor and power to said AC motor is interrupted, a second ON position in which power is supplied to said AC motor and power to said DC motor is interrupted, and a third OFF position in which power is interrupted to both said DC motor and said AC motor.