DANIEL G CRAWFORD
Pilots in Dryden, MI
License number
Michigan A0399073
Issued Date
Mar 2016
Expiration Date
Mar 2018
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
PO Box 330, Dryden, MI 48428
Professional information
Flexible Exhaust Coupling
US Patent:
4097071, Jun 27, 1978
Filed:
Jun 6, 1977
Appl. No.:
5/803526
Inventors:
Daniel G. Crawford - Dryden MI
Stanley E. James - Flint MI
Donald H. Nixon - Swartz Creek MI
Stanley E. James - Flint MI
Donald H. Nixon - Swartz Creek MI
Assignee:
General Motors Corporation - Detroit MI
International Classification:
F16L 2108
US Classification:
285 94
Abstract:
An exhaust pipe of a front engine mounted transversely to roll about an axis transverse to the longitudinal axis of the vehicle is joined to a tailpipe by an improved high temperature resistant flexible coupling including a spherically surfaced ring seal supported between a tubular end segment of a first pipe and a free end spherical surface on a second pipe; the second pipe having a flange connected thereto and a pair of bolts are resiliently coupled to the flange fixed on the first pipe to bias the spherical lip against a high temperature lubricant surface on the seal to define a joint with minimal resistance to roll motion so that it readily accommodates substantial angular offset between the first and second pipe segments during high temperature exhaust conditions while maintaining a positively sealed surface at the joint.