Tennessee Gas Pipeline Company

Tenneco Gmbh

Robert L Sager, Jr

Leon A Kraai, Jr

William E Hill

An aftermarket catalytic converter for motor vehicle exhaust gas systems has a clamshell housing with an upper heat shield and stainless steel inlet and outlet bushings and contains a catalyst coated substrate cushioned and supported inside of it by a heat expandable mat, the features and parts of the converter being constructed and arranged to enable one converter construction to be used as a replacement converter in a substantial number of different applications for the original equipment converters.

Catalytic converter for motor vehicles

A sound absorbing muffler used to attenuate noise carried by the exhaust gases of an internal combustion engine includes a straight-through flow tube of constant diameter and cross-section. The muffler utilizes both reactive and dissipative components and includes two annular sound absorbing end chambers, an outer annular resonating chamber, and an inner sound absorbing means. The muffler's configuration produces effective noise attenuation, yet low backpressure.

Low backpressure straight-through reactive and dissipative muffler

A sound absorbing muffler used to attenuate noise carried by the exhaust gases of an internal combustion engine includes a straight-through flow tube of cross-section having no baffles or flow reversals. The muffler utilizes both reactive and dissipative components and includes an outer annular resonating chamber and an inner sound absorbing chamber. The muffler's configuration produces effective broad band noise attenuation even at lower frequencies, yet low backpressure.

Broad band low frequency passive muffler

This invention relates to sound attenuating mufflers, and more particularly to sound attenuating mufflers for dampening sound waves of various frequencies above a pre-selected cut-off frequency. Specially positioned acoustical insulation is provided to partially attenuate sound waves of a relatively low frequency. The insulation is carried in a chamber having one dimension of sound wave travel on the order of one-tenth the wavelength of a preselected cutoff frequency above which sound attenuation is desired. An adjacent chamber substantially free of insulation has one dimension of sound wave travel on the order of one-quarter wavelength of the cutoff frequency.

Passive muffler for low pass frequencies

An auxiliary air injector assembly comprises an injector fitting that is held in place in a hole in an exhaust pipe by the end of an air flow tube that is clamped against it by a saddle clamp extending around the exhaust pipe.

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Grass Lake, MI, United States of America

Robert L Sager, Jr