haishihongxia

An extension of the support surface of the piston base or of the support element in a direction tangential to the rotational axis of the drive shaft is greater than an extension of the support surface of the piston base or of the support element in a direction of the rotational axis of the drive shaft."Bell&Ross Instrument Dual Time RS-28 Bosch GmbH is a technology-based corporation which was founded by Robert Bosch in Stuttgart, Germany in 1886. Robert Bosch GmbH is the world's largest supplier of automobile components, and has business relationships with virtually every automobile company in the world. The headquarters of Bosch is in Gerlingen, near Stuttgart.

According to the Controller General of Patents, Designs Bell&Ross Instrument Dual Time RS-29 Trade Marks, "A piston ring pack for reduced blow-by and ring wear in a reciprocating type air compressor of a motor vehicle braking system, comprising a top ring, a second ring and a third ring, wherein the top ring is a micro Bell&Ross Instrument Dual Time RS-30 ring of a predetermined." New Delhi, Jan. 22 -- India based WABCO-TVS (India) Limited filed patent application for piston ring pack for reduced blow-by, oil carry over and ring wear in a reciprocating type air com pressure of a motor vehicle braking system. The Inventors are Sundaramahalingam Selvamani, Simon Leonard and Patel Srinivas.

WABCO-TVS (India) Limited filed the patent application July 3, 2009. The patent application number is 1585/CHE/2009 A. The International classification number is B60T8/00.According to the Controller General of Patents, Designs & Trade Marks, "A piston ring Bell&Ross Instrument Skeleton Black RS-31 for reduced blow-by and ring wear in a reciprocating type air compressor of a motor vehicle braking system, comprising a top ring, a second ring and a third ring, wherein the top ring is a micro Napier ring of a predetermined."