Balancer device for in-line engine

Details Balancer device for in-line engine Balancer device for in-line engine

1992-04-20

1993-10-19

Braun, Leslie A.

Machine element or mechanism

Elements

Cranks and wrist pins

1231922, F16F 1510, F16H 3706

Patent

active

052535479

ABSTRACT:
A balancer device installed to an in-line engine comprises a balance shaft which includes first and second journals at which the balance shaft is supported through first and second bearings. The first bearing is disposed near the front side of the engine and set in a retainer for rotatably fixing the balance shaft. The second bearing is disposed near a generally center portion in the axial direction of the crankshaft and secured to a cylinder block. A pair of unbalance portions are disposed near the second journal. The diameter of the first journal is formed smaller than that of the second journal to suppress the friction loss of the first journal.

REFERENCES:
patent: 2838957 (1958-06-01), Johnson
patent: 3710774 (1973-01-01), Weseloh et al.
patent: 4125036 (1978-11-01), Nakamura et al.
patent: 4377992 (1983-03-01), Zeilinger et al.
patent: 4480607 (1984-11-01), Tsai et al.
patent: 4508069 (1985-04-01), Dobler et al.
patent: 4523553 (1985-06-01), Backlund
patent: 4690111 (1987-09-01), Kohno et al.
patent: 4819505 (1989-04-01), Takubo et al.
patent: 4966042 (1990-10-01), Brown
patent: 5044333 (1991-09-01), Fuchigami et al.

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