Title: Sweeper hood with transverse air duct and broom compartments

Abstract: A street sweeper hood has a transverse main compartment with an intermediate transverse partition that stops short of the swept surface and divides the main compartment into a front transverse air duct compartment and a rear broom compartment. Air and debris enter an inlet port at the curb end of the air duct and are withdrawn at the opposite end by a blower, the stream of air and entrained debris being accelerated along the air duct by an inclined top plate. A flexible scoop at the curb side of the inlet port and a windrower at the opposite side deflect debris into a tunnel that forms the inlet port.

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Inventors: Gunnarsson, Arne Nils (Upland, CA, US)

Application Number: 836647
Filing Date: 1977-09-26
Publication_date: 1978-09-05
Assignee: FMC Corporation (San Jose, CA)
Primary Class(es): 15/346 15/383
Other Classes:
US Patent Ref:

514678	Feb, 1894	Furnas	15/346.
2913744	Nov, 1959	Gregersen	15/340.
3189932	Jun, 1965	Daneman	15/340.
3605170	Sep, 1971	Hank et al.	15/340.
3808632	May, 1974	Aagesen	15/340.
4044422	Aug, 1977	Larsen	15/340.

Other Refs: 1,155,156

Oct, 1963	DE

Primary Examiner: Moore, Christopher K.
Assistant Examiner:
Attorney: Verhoeven; J. F., Tripp; C. E.