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| Number | Title | Issue Date |
| 6382079 | Vibration specific bellows assembly An evacuated and hermetically sealed bellows assembly has a bellows core assembly for mechanical movement versus pressure differential requirements. Mechanical attachment means are secured to the opposite ends of the bellows assembly. Vibrational optimiza... | 05/07/2002 |
| 5791697 | Device for the movable connection of pipe ends The invention relates to a device for the movable connection of pipe ends, particularly of motor vehicle exhaust systems, with a flexible pipe element, such as a metal bellows, hose or the like, and with damped, spring elastic elements acting between the ... | 08/11/1998 |
| 4854428 | Double-acting hydraulic piston-and-cylinder device A double-acting hydraulic piston-and-cylinder unit adapted to constitute a damper for movements in a human joint prosthesis has a boot sealingly connected to the cylinder and the piston rod to receive the hydraulic fluid under pressure as the hydraulic fl... | 08/08/1989 |
| 4755025 | Apparatus and method of preloading vibration-damping bellows An improved vibration damping bellows mount or interconnection is disclosed. In one aspect, the bellows is compressively prestressed along its length to offset vacuum-generated tensile loads and thereby improve vibration damping characteristics.... | 07/05/1988 |
| 4597475 | Universally movable suspension member The invention relates to a universally movable suspension member for a direction indicating display system, especially for a gyro system (2), in which a bellows unit (1) is provided between a revolving disk (3) and the gyro system (2). The suspension memb... | 07/01/1986 |
| 4424008 | Hermetic seal for compressors or the like A hermetic seal, primarily for compressors for use in refrigeration or air conditioning systems but having use in apparatus wherein a seal is required between two elements reciprocating substantial distances relative to each other, comprising a bellows ha... | 01/03/1984 |
| 4357859 | Pressure sensor Fatigue fractures in the bellows capsule of a bellows-type pressure sensor are prevented by wrapping the capsule with a vibration damping material such as an open cell polyurethane foam saturated with a fluid. In the preferred embodiment, wherein the sens... | 11/09/1982 |
| 4066091 | Pressure switching valve device A pressure switching valve device including: a valve adapted to open and close an orifice defined in a valve seat; a diaphragm cooperating with the valve and so loaded as to maintain the valve in its open or closed position; and an atmospheric density com... | 01/03/1978 |
