Power plants – Pressure fluid source and motor – Having plural energy outputs
Patent
1995-07-13
1997-09-16
Nguyen, Hoang
Power plants
Pressure fluid source and motor
Having plural energy outputs
91494, 269117, F16D 3102, B25B 514
Patent
active
056668090
ABSTRACT:
A hydraulic circuit for opening and closing of a folding roof has at least two (pairs of) cylinders, one of which is adapted to open and close the folding roof and the other of which is adapted to lock the roof upon closing. The hydraulic circuit also has electrically operated valves provided in the circuit in such a way that the closing pressure within the roof cylinder is released rapidly as soon as the front roof edge gets within the catching area of the lock member, after which the lock cylinder will immediately close. This prevents the roof from moving in the closing direction too far, which would involve the tendency of the roof to "spring back", and avoids the chance of "miscatching" by the lock member.
REFERENCES:
patent: 2586682 (1952-02-01), McLeod
patent: 2657533 (1953-11-01), Schanzlin et al.
patent: 3851566 (1974-12-01), Herrmann
patent: 5067768 (1991-11-01), Fischbach
patent: 5110175 (1992-05-01), Fischbach
patent: 5253575 (1993-10-01), Claar et al.
patent: 5279119 (1994-01-01), Shelhart et al.
patent: 5335926 (1994-08-01), Stolle
Applied Power Inc.
Nguyen Hoang
LandOfFree
Hydraulic circuit does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Hydraulic circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hydraulic circuit will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-210831