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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9598084 B1

PDFFull Text
Date of Patent:
Mar. 21, 2017

Filed:

Oct. 31, 2012

Vehicle travel controller

Applicants:

Rentaro Kuroki, Susono, JP;

Takuya Hirai, Susono, JP;

Masaki Mitsuyasu, Kawasaki, JP;

Jonggap Kim, Hadano, JP;

Masaki Matsunaga, Odawara, JP;

Yasunari Kido, Hadano, JP;

Takeaki Suzuki, Susono, JP;

Takayuki Kogure, Susono, JP;

Yukari Okamura, Gotenba, JP;

Akihiro Sato, Nagoya, JP;

Yusuke Kinoshita, Toyota, JP;

Inventors:

Rentaro Kuroki, Susono, JP;

Takuya Hirai, Susono, JP;

Masaki Mitsuyasu, Kawasaki, JP;

Jonggap Kim, Hadano, JP;

Masaki Matsunaga, Odawara, JP;

Yasunari Kido, Hadano, JP;

Takeaki Suzuki, Susono, JP;

Takayuki Kogure, Susono, JP;

Yukari Okamura, Gotenba, JP;

Akihiro Sato, Nagoya, JP;

Yusuke Kinoshita, Toyota, JP;

Assignee:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Nicholas Kiswanto

Int. Cl.
CPC ...
B60W 30/18 (2012.01); B60W 10/18 (2012.01); B60W 10/115 (2012.01); B60T 7/04 (2006.01); B60T 7/12 (2006.01); B60T 13/66 (2006.01); B60T 17/02 (2006.01); B60T 17/22 (2006.01); B60W 10/02 (2006.01); B60W 10/06 (2006.01); B60W 10/184 (2012.01); B60W 10/188 (2012.01); F02D 13/06 (2006.01); F02D 29/02 (2006.01); F02D 41/12 (2006.01); F16H 61/21 (2006.01);
U.S. Cl.
CPC ...
B60W 30/18072 (2013.01); B60T 7/042 (2013.01); B60T 7/12 (2013.01); B60T 13/662 (2013.01); B60T 17/02 (2013.01); B60T 17/22 (2013.01); B60W 10/02 (2013.01); B60W 10/06 (2013.01); B60W 10/18 (2013.01); B60W 10/184 (2013.01); B60W 10/188 (2013.01); B60W 30/18136 (2013.01); F02D 13/06 (2013.01); F02D 29/02 (2013.01); F02D 41/12 (2013.01); F02D 41/123 (2013.01); F16H 61/21 (2013.01); B60T 2201/022 (2013.01); B60W 2030/1809 (2013.01); B60W 2510/18 (2013.01); B60W 2540/12 (2013.01); F02D 2200/501 (2013.01); F02D 2200/502 (2013.01); F02D 2250/41 (2013.01); Y02T 10/18 (2013.01);
Abstract

A running control device of a vehicle executes a normal running mode with an engine coupled to drive wheels, a first inertia running mode with the engine stopped during running and an engine brake force reduced as compared to the normal running mode, and a second inertia running mode with the engine rotating during running and the engine brake force reduced as compared to the normal running mode. A determining portion determines a necessity of a brake negative pressure during the first or second inertia running mode. The necessity of the brake negative pressure is a condition for returning from the first inertia running mode and the second inertia running mode to the normal running mode. An upper limit value of the necessity of the brake negative pressure for returning from the first inertia running mode is smaller than that for returning from the second inertia running mode.

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