Patent ID: 7770661

Claim:
A fluid driven tool comprising: an outer housing and an inner motor housing nested in the outer housing and defining a cavity therebetween, the cavity having a first end with a first exhaust passageway and a second end with a second exhaust passageway, a flow guide positioned within the cavity, the flow guide moveable between a first position, in which flow through the first exhaust passageway is permitted and flow through the second exhaust passageway is inhibited, and a second position, in which flow through the second exhaust passageway is permitted and flow through the first exhaust passageway is inhibited, the inner motor housing having a motor chamber with at least one inlet port for a fluid driven motor and a fluid inlet, and an inlet manifold disposed in the cavity, the inlet manifold having recessed portion with a surrounding seal configured to engage the inner motor housing and connect the fluid inlet to the at least one inlet port of the inner motor housing.