Title: Cylinder head units for internal combustion engines

Abstract: A unit cylinder head for an internal combustion engine, and preferably, a V-diesel engine, is provided with at least one vertical channel on each lateral side face thereof. The channel mates with a corresponding channel provided on an adjacent cylinder head to define a receiving joint for a clamping screw which, thus, straddles two adjacent heads. The intake and exhaust valve seats of the head have the vertical plane joining the axes thereof inclined with respect to the vertical plane along the longitudinal axis of the engine. This permits the exhaust manifold to be short while the inlet manifold has a spiral profile. The lateral faces of the head are formed with openings through which moulding sand is, initially, removed and then are utilized for water circulation.

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Inventors: Nickly, Jean (Lyon 3.degree. (Rhone), FR)

Application Number: 238299
Filing Date: 1972-03-27
Publication_date: 1976-04-13
Assignee:
Primary Class(es): 123/193.5 123/41.82R, 123/188.14, 123/193.1
Other Classes:
US Patent Ref:

2561674	Jul, 1951	Rhodes	123/41.
2710602	Jun, 1955	Maybach	123/41.
3117565	Jan, 1964	Botter et al.	123/193.
3159148	Dec, 1964	Nallinger et al.	123/188.

Other Refs: 1,236,242626,9682,017,877525,256619,451

Jun, 1971	UK
May, 1936	DD
Apr, 1970	DT
May, 1955	IT
Apr, 1961	IT

Primary Examiner: Burns, Wendell E.
Assistant Examiner:
Attorney: Weiner; Irving M., Burt; Pamela S.