Internal-combustion engines – Valve – Valve head cooperates with manifold
Patent
1989-05-09
1990-11-06
Cross, E. Rollins
Internal-combustion engines
Valve
Valve head cooperates with manifold
123549, F01L 300
Patent
active
049677063
ABSTRACT:
An internal-combustion engine of the injection type comprises a cylinder (1) which is provided with an inlet channel (4) with inlet valve (5). An inlet tube (2) with fuel injector (3) is fixed on this inlet channel. A heating element with a heat sink (11, 12), electrical resistance means (16) and current supply means (14, 17, 18, 20) projects into the inlet channel of the cylinder. In order to avoid cold spot problems, the heating element (11 to 16) is not fitted in a thermally insulated manner, and is integrated in a plate (6) which is clamped between the inlet tube (2) and the head of the cylinder (1). The electrical resistance means (16) are provided in a chamber (11) whose top face forms part of the heat sink. A cylindrically curved wall (12) preferably connects to the chamber (11) and is connected to this plate by means of material bridges (10).
REFERENCES:
patent: 3145699 (1964-08-01), High
patent: 3760780 (1973-09-01), Jordan
patent: 4378001 (1983-03-01), Takeda et al.
patent: 4387291 (1983-06-01), Keppel
patent: 4834053 (1989-05-01), Van Der Ploeg et al.
Beunk Gerrit J.
Frueh Peter
Henke Juergen
Spinner Erwin
Van Der Ploeg Arie
Cross E. Rollins
Haug John A.
McAndrews James P.
Sharp Melvin
Texas Instruments Incorporated
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