초록 ▼

A spring engaged fluid released fan clutch is disclosed. A sheave connected to a live shaft is connected to rotate with a friction disc. Encompassing the friction disc and rotatable relative thereto is an outer shell portion carrying fan blades. Connected for rotation with the outer shell portion an

A spring engaged fluid released fan clutch is disclosed. A sheave connected to a live shaft is connected to rotate with a friction disc. Encompassing the friction disc and rotatable relative thereto is an outer shell portion carrying fan blades. Connected for rotation with the outer shell portion and rotatably mounted on the friction disc is a cylinder plate. An annular piston, having a friction facing, is slidably mounted on a hub provided internally of the outer shell portion and is connected to rotate with the shell portion. Springs urge the piston with its friction facing into engagement with the friction disc to engage the clutch. Fluid pressure is introduced through the hub of said outer shell portion and into a cavity between the cylinder plate and the piston urging the piston away from the friction disc against the action of the springs to disengage the clutch.

대표청구항 ▼

A spring engaged fluid released fan clutch for a live shaft comprising: (a) a sheave for connection with a live shaft, (b) means connecting said sheave to a friction disc, (c) a first outer shell portion, (d) means rotatably mounting said first outer shell portion on said connecting means, (e) a sec

A spring engaged fluid released fan clutch for a live shaft comprising: (a) a sheave for connection with a live shaft, (b) means connecting said sheave to a friction disc, (c) a first outer shell portion, (d) means rotatably mounting said first outer shell portion on said connecting means, (e) a second outer shell portion connected to said first outer shell portion, (f) an annular piston, having a friction facing mounted thereon, (g) means slidably mounting said piston on a hub connected to and within said second outer shell portion, (h) a cylinder plate spaced from said piston and forming a cylinder cavity therebetween, (i) means rotatably mounting said cylinder plate on said friction disc, (j) means connecting said hub of said second outer shell with said cylinder plate, (k) means rotatably mounting said second outer shell portion on fluid introducing means, (l) fan blades connected to said first shell portion, radially and directly adjacent of said means rotatably mounting said first outer shell, (m) a multiplicity of springs, (n) means mounting said springs on said piston in pressure contact with said second outer shell portion thereby urging said friction facing on said piston into pressure contact with said friction disc whereby said shell portions and said blades thereon rotate with said sheave, (o) means for supplying fluid pressure to said fluid introducing means and into said cylinder cavity whereby said piston is moved from said cylinder plate and said friction facing thereon is moved out of contact with said friction disc against the urging of said spring whereby said shell portions and fan blades thereon cease to rotate.