Pneumatic random vibration generator

Details Pneumatic random vibration generator Pneumatic random vibration generator

1994-09-01

1996-02-27

Lopez, F. Daniel

Motors: expansible chamber type

Cyclically operable

91234, F01L 2100

Patent

active

054939445

ABSTRACT:
A true random vibration generator for use in mechanical vibration generation includes a housing, a piston, and a programmer. The housing defines a cylinder closed at an impact end. The piston is slidably disposed in the cylinder and propelled by a pressurized gas. The programmer is freely moveable in the cylinder between the piston and the impact end of the cylinder. As the piston is propelled towards the impact end of the cylinder by the pressurized gas, the piston strikes the programmer causing the programmer to randomly bounce between the impact end of the cylinder and the piston. The bouncing continue until the programmer impacts the housing and the cylinder at substantially the same time. The piston is then propelled back its original position by the pressurized gas and the impact with the housing. The above described piston cycle is repeated and continues to impart vibration energy to the housing.

REFERENCES:
patent: 1207417 (1916-12-01), Kutschka
patent: 3144708 (1964-08-01), Poorman
patent: 3894586 (1975-07-01), Lyon
patent: 3895561 (1975-07-01), Felderhof et al.
patent: 4129388 (1978-12-01), McKee
patent: 5044254 (1991-09-01), Miller et al.

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